Mixed numbers and improper fractions
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Mixed Numbers and Improper Fractions. Lesson 4-3. Vocabulary. A proper fraction has a numerator that is less than its denominator. An improper fraction has a numerator that is more than or equal to its denominator. A mixed number shows the sum of a whole number and a proper fraction.

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Presentation Transcript

Vocabulary
Vocabulary

A proper fraction has a numerator that is less than its denominator.

An improper fraction has a numerator that is more than or equal to its denominator.

A mixed number shows the sum of a whole number and a proper fraction.


Examples
Examples

Proper Fractions

Improper Fractions

5

7

12

9

10

9

8

3

Mixed Numbers

8

3

3

17

5

20


Writing mixed numbers as improper fractions
Writing Mixed Numbers as Improper Fractions

  • Multiply the denominator of the fraction by the whole number.

  • Add the product to the numerator.

  • The resulting sum is the numerator of the improper fraction.

  • The denominator remains the same.


Example
Example

4

2

14

3

3

Any whole number can be changed into an improper fraction:


Writing improper fractions as mixed numbers
Writing Improper Fractions as Mixed Numbers

  • Divide the denominator into the numerator.

  • The quotient becomes the whole number part of the mixed number.

  • The remainder is the numerator of the fraction.

  • The divisor is the denominator of the fraction.


Example1
Example

2

whole number

13

5

13

5

10

3

numerator

denominator

3

2

5


Let s practice p211 1 7 complete on own then check with neighbor
Let’s Practice !!P211 # 1-7 complete on own, then check with neighbor


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