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Big Ideas Math: Modeling Real Life, Grade 6

BI

Big Ideas Math: Modeling Real Life, Grade 6 View details

1. Multiplying Fractions

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Exercise 44 Page 51

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

3 12

Practice makes perfect

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

4 38* 4/5

a bc=a* c+b/c

4* 8+3/8* 4/5

Multiply

32+3/8* 4/5

Add terms

35/8* 4/5

When we multiply fractions, we need to remember that the product of two fractions is equal to the product of the numerators divided by the product of the denominators. Let's find the given product!

35/8* 4/5

Multiply fractions

35* 4/8* 5

Multiply

140/40

a/b=.a /20./.b /20.

140÷ 20/40÷ 20

Simplify quotient

7/2

The quotient is 72. We can also write this fraction as a mixed number.

7/2

Write as a sum

6+1/2

Write as a sum of fractions

6/2+1/2

Calculate quotient

3+1/2

Add terms

3 12

Subchapter links

Try It p.46-48

Self-Assessment for Concepts & Skills p.48

Self-Assessment for Problem Solving p.49

Review & Refresh p.50

Concepts, Skills, & Problem Solving p.50-52