Exercise 7 Page 119

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

13 716

Practice makes perfect

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

5 18 * 2 12

MixedToFrac

a bc=a* c+b/c

5* 8+3/8 * 2* 2+1/2

Multiply

40+3/8 * 4+1/2

AddTerms

Add terms

43/8 * 5/2

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!

43/8 * 5/2

MultFrac

Multiply fractions

43* 5/8* 2

Multiply

215/16

The multiplication is 21516. We can also write this fraction as a mixed number.

215/16

WriteSum

Write as a sum

208+7/16

WriteSumFrac

Write as a sum of fractions

208/16+7/16

CalcQuot

Calculate quotient

13+7/16

AddTerms

Add terms

13 716

Subchapter links

Try It p.116-117

Self-Assessment for Concepts & Skills p.117

Self-Assessment for Problem Solving p.118

Review & Refresh p.119

Concepts, Skills, & Problem Solving p.119-120

Exercise 7 Page 119

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