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Envision Math 2.0: Grade 6, Volume 1

EM

Envision Math 2.0: Grade 6, Volume 1 View details

6. Divide Mixed Numbers

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Exercise 22 Page 47

Rewrite the expression so that all of the numbers are fractions.

21/104

Practice makes perfect

Before we evaluate the expression, let's first rewrite it so that all of the numbers are fractions.

2 58 ÷ 13

a bc=a* c+b/c

2 * 8+5/8 ÷ 13

Identity Property of Multiplication

16+5/8 ÷ 13

Add terms

21/8 ÷ 13

Write as a fraction

21/8 ÷ 13/1

Now, dividing fractions is the same as multiplying the first fraction by the reciprocal of the second fraction. 21/8 ÷ 13/1 = 21/8 * 1/13 When multiplying fractions, remember that the product of two fractions is equal to the product of the numerators over the product of the denominators.

21/8 * 1/13

Multiply fractions

21 * 1/8 * 13

Identity Property of Multiplication

21/8 * 13

Multiply

21/104

Subchapter links

Do You Understand? p.46

Do You Know How? p.46

Assessment Practice p.48