Mixed Numbers and Improper Fractions

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# Mixed Numbers and Improper Fractions - PowerPoint PPT Presentation

Lesson 3-5. Mixed Numbers and Improper Fractions. 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
Lesson 3-5

### Mixed Numbers and Improper Fractions

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

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
• 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

4

2

14

3

3

Writing Improper Fractions as Mixed Numbers
• If you have an improper fraction, you can 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.
Example

2

whole number

13

5

13

5

10

3

numerator

denominator

3

2

5

Classwork:Play this game to help you practice convertiing mixed numbers to improper fractions and vice versa!http://www.mathplayground.com/fractions_improper.htmlHomework Timep. 141, 1-49 ODD