Fractions

1 / 11

Fractions - PowerPoint PPT Presentation

Fractions. Fractions - equal parts of a whole. Numerator. Parts/pieces you are looking for. =. Denominator. Total number of pieces/parts. 3. Ex). w. 4. Improper Fractions &amp; Mixed Numbers. Improper Fractions - numerator larger than denominator. Ex). 5. 1. w. w. w. 4. 4.

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.

PowerPoint Slideshow about ' Fractions' - benito

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

Fractions

Fractions- equal parts of a whole

Numerator

Parts/pieces you are looking for

=

Denominator

Total number of pieces/parts

3

Ex)

w

4

Improper Fractions &Mixed Numbers

Improper Fractions- numerator larger than denominator

Ex)

5

1

w

w

w

4

4

Mixed numbers- whole number and a fraction

1

3

3

Ex)

Number of pieces left over

1

4

2

Total number of completely colored shapes

Changing Mixed Numbers to Improper Fractions

Multiply the whole number by the denominator

Keep the denominator the same

Write the total as the new numerator

1

4

3

+

Ex)

3 x 4 + 1 = 13

4

x

Try Some

2

+

1.)

2 x 7 + 5 = 19

7

x

3

5

2

2.)

4

+

8

3

7

4 x 3 + 2 = 14

3

x

3.)

5

+

5 x 8 + 3 = 43

8

x

Changing Improper Fractionsto Mixed Numbers

Divide the numerator by the denominator

The answer is the whole number

The remainder is the numerator

Keep the denominator the same

1

5

3

16

-15

1

3

16

5

Whole #

Ex)

numerator

Try Some

5

4 21

-20

1

5

21

4

1.)

3

18

5

3

18

-15

3

2.)

1

3

1

9

4

5

55

9

6

9 55

-54

1

3.)

6

Golden Rule of fractions
• What you do to the numerator you do the denominator and vice versa
Equivalent Fractions

Fractions that are equal

*think multiplication*

What times 7 = 21

1 = 2

5 10

Ex)

2 =

7 21

6

x 3

x 3

Try Some

4 =

9 36

4 =

9 36

16

1.)

X 4

X 4

15 =

35 7

15 =

35 7

3

x 5

x 5

2.)

5 = 10

12

5 = 10

12

x 2

x 2

3.)

24

Simplifying Fractions

To make fraction the smallest it can go

*reduce, simplify and lowest terms*

Divide by the common factor

8

12

4

6

2

3

Ex)

÷ 2

÷ 2

÷ 2

÷ 2

2

10

÷ 2

÷ 2

= 1

5

Ex)