Fraction ix least common multiple least common denominator
This presentation is the property of its rightful owner.
Sponsored Links
1 / 42

Fraction IX Least Common Multiple Least Common Denominator PowerPoint PPT Presentation


  • 92 Views
  • Uploaded on
  • Presentation posted in: General

Fraction IX Least Common Multiple Least Common Denominator. Product. The answer to a multiplication problem. 6 X 6 = 36. What is the product?. 7 X 8 = 56. What is the product?. 8 X 9 = 72. Multiple. The product of a whole number multiplied times any other whole number.

Download Presentation

Fraction IX Least Common Multiple Least Common Denominator

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Fraction ix least common multiple least common denominator

Fraction IXLeast Common Multiple Least Common Denominator


Product

Product

  • The answer to a multiplication problem.

6 X 6 = 36


What is the product

What is the product?

7 X 8 = 56


What is the product1

What is the product?

8 X 9 = 72


Multiple

Multiple

  • The product of a whole number multiplied times any other whole number.

Some multiples of 6

6, 12, 18, 24, 30, 36, 42


Name some multiples of 5

Name some multiples of 5

5, 10, 15, 20, 25, 30, 35


Name some multiples of 7

Name some multiples of 7

7, 14, 21, 28, 35, 42, 49


Name some multiples of 4

Name some multiples of 4

4, 8, 12, 16, 20, 24, 28


Name some multiples of 9

Name some multiples of 9

9, 18, 27, 36, 45, 54, 63


Common multiple

Common Multiple

  • A number that is a multiple of two or more numbers.

Some multiples of 3 & 6

6, 12, 18, 24, 30, 36, 42


What are some common multiples for 2 8

What are some Common Multiples for 2 & 8?

8, 16, 24, 32, 40, 48, 56


What are some common multiples for 4 6

What are some Common Multiples for 4 & 6?

12, 24, 36, 48, 56, 60


What are some common multiples for 3 7

What are some Common Multiples for 3 & 7?

21, 42, 63


What are some common multiples for 5 10

What are some Common Multiples for 5 & 10?

10, 20, 30, 40, 50, 60


Least common multiple

Least Common Multiple

  • The smallest common multiple of a set of two or more numbers.

5 = 5, 10, 15, 20, 25, 30

6 = 6, 12, 18, 24, 30, 36


What is the least common multiple of 3 8

What is the Least Common Multiple of 3 & 8

3 = 3, 6, 9, 12, 15, 21, 24

8 = 8, 16, 24, 32, 40, 48


What is the least common multiple of 4 8

What is the Least Common Multiple of 4 & 8

4 = 4, 8, 12, 16, 20, 24

8 = 8, 16, 24, 32, 40, 48


What is the least common multiple of 6 8

What is the Least Common Multiple of 6 & 8

6 = 6, 12, 18, 24, 30, 36

8 = 8, 16, 24, 32, 40, 48


What is the least common multiple of 4 10

What is the Least Common Multiple of 4 & 10

4 = 4, 8, 12, 16, 20, 24

10 = 10, 20, 30, 40, 50,


What is the least common multiple of 3 9

What is the Least Common Multiple of 3 & 9

3 = 3, 6, 9, 12, 15, 21,

9 = 9, 18, 27, 36, 45, 54


Let s watch a short video to review

Let’s watch a short video to review!


To add or subtract fractions with unlike denominators

To Add or Subtract Fractions With Unlike Denominators

  • Find the multiples of each denominator.

1

5

= 5, 10, 15, 20, 25, 30

1

+

10

= 10, 20, 30, 40, 50


To add or subtract fractions with unlike denominators1

To Add or Subtract Fractions With Unlike Denominators

  • Compare the lists of multiples. Circle the common multiples between the two lists.

1

5 = 5, 10, 15, 20, 25, 30

1

+

10 = 10, 20, 30, 40, 50


To add or subtract fractions with unlike denominators2

To Add or Subtract Fractions With Unlike Denominators

  • Use the lowest common multiple as the denominator.

1

5 = 5, 10, 15 ,20 ,25 ,30

1

+

10 = 10, 20, 30, 40, 50


To add or subtract fractions with unlike denominators3

To Add or Subtract Fractions With Unlike Denominators

  • This number is also called the least common denominator.

1

5 = 5, 10, 15 ,20 ,25 ,30

1

+

10 = 10, 20, 30, 40, 50


Find the least common denominator or least common multiple

Find the Least Common Denominator or Least Common Multiple

1

2 = 2, 4, 6, 8, 10, 12

1

+

8 = 8, 16, 24, 32, 40


Find the least common denominator or least common multiple1

Find the Least Common Denominator or Least Common Multiple

1

10 = 10, 20, 30, 40,

1

+

8 = 8, 16, 24, 32, 40


Find the least common denominator or least common multiple2

Find the Least Common Denominator or Least Common Multiple

1

10 = 10, 20, 30, 40,

1

+

4 = 4, 8, 12, 16, 20,


Find the least common denominator or least common multiple3

Find the Least Common Denominator or Least Common Multiple

1

2 = 2, 4, 6, 8, 10,

1

+

4 = 4, 8, 12, 16, 20,


Find the least common denominator or least common multiple4

Find the Least Common Denominator or Least Common Multiple

1

2 = 2, 4, 6, 8, 10, 12

1

+

12 = 12, 24, 36, 48


Find the least common denominator or least common multiple5

Find the Least Common Denominator or Least Common Multiple

1

3 = 3, 6, 9, 12, 15

1

+

4 = 4, 8, 12, 16, 20,


Find the least common denominator or least common multiple6

Find the Least Common Denominator or Least Common Multiple

1

3 = 3, 6, 9, 12, 15

1

+

5 = 5, 10, 15, 20, 25,


Find the least common denominator or least common multiple7

Find the Least Common Denominator or Least Common Multiple

1

3 = 3, 6, 9, 12, 15

1

+

9 = 9, 18, 27, 36, 45,


Shortcut for finding the least common denominator or least common multiple

Shortcut for Finding the Least Common Denominator or Least Common Multiple

Check to see if the smaller denominator

divides evenly into the larger denominator.

If it does, use the larger denominator for

your LCD or LCM.

1

3 will divide evenly into 9,

so 9 is your LCD or LCM.

3

1

+

9


Shortcut for finding the least common denominator or least common multiple1

Shortcut for Finding the Least Common Denominator or Least Common Multiple

Using the shortcut, what is the LCD or

LCM?

1

2 will divide evenly into 4,

so 4 is your LCD or LCM.

2

1

+

4


Shortcut for finding the least common denominator or least common multiple2

Shortcut for Finding the Least Common Denominator or Least Common Multiple

Using the shortcut, what is the LCD or

LCM?

1

2 will divide evenly into 10,

so 10 is your LCD or LCM.

2

1

+

10


Shortcut for finding the least common denominator or least common multiple3

Shortcut for Finding the Least Common Denominator or Least Common Multiple

Using the shortcut, what is the LCD or

LCM?

1

2 will divide evenly into 12,

so 12 is your LCD or LCM.

2

1

+

12


Shortcut for finding the least common denominator or least common multiple4

Shortcut for Finding the Least Common Denominator or Least Common Multiple

Using the shortcut, what is the LCD or

LCM?

1

4 will divide evenly into 8,

so 8 is your LCD or LCM.

4

1

+

8


Shortcut for finding the least common denominator or least common multiple5

Shortcut for Finding the Least Common Denominator or Least Common Multiple

Using the shortcut, what is the LCD or

LCM?

1

3 will divide evenly into 6,

so 6 is your LCD or LCM.

3

1

+

6


Shortcut for finding the least common denominator or least common multiple6

Shortcut for Finding the Least Common Denominator or Least Common Multiple

Using the shortcut, what is the LCD or

LCM?

1

3 will divide evenly into 12,

so 12 is your LCD or LCM.

3

1

+

12


Shortcut for finding the least common denominator or least common multiple7

Shortcut for Finding the Least Common Denominator or Least Common Multiple

Using the shortcut, what is the LCD or

LCM?

1

3 will divide evenly into 15,

so 15 is your LCD or LCM.

3

1

+

15


Shortcut for finding the least common denominator or least common multiple8

Shortcut for Finding the Least Common Denominator or Least Common Multiple

Using the shortcut, what is the LCD or

LCM?

1

3 will not divide evenly into

8, so find the least common

multiple.

3

1

+

8


  • Login