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Envision Math 2.0: Grade 6, Volume 1

EM

Envision Math 2.0: Grade 6, Volume 1 View details

3. Multiply Fractions

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Exercise 34 Page 23

Rewrite the mixed numbers as fractions. Then multiply the fractions.

16

Practice makes perfect

Before we find the exact product, we will make an estimate. We will round 5 13 down to 5.

5 13 * 3

Round to nearest integer

5* 3

Multiply

15

The answer should be about 15. Now, let's find the exact product for the given multiplication. 5 13 * 3 We will start by rewriting the mixed numbers as fractions.

5 13 * 3

a bc=a* c+b/c

5* 3+1/3 * 3/1

Multiply

15+1/3 * 3/1

Add terms

16/3 * 3/1

Next, we multiply the numerators and the denominators.

16/3 * 3/1

Multiply fractions

16* 3/3* 1

Multiply

48/3* 1

Identity Property of Multiplication

48/3

a/b=.a /3./.b /3.

16/1

a/1=a

16

Subchapter links

Do You Understand? p.22

Do You Know How? p.22

Practice & Problem Solving p.23-24

Assessment Practice p.24