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Glencoe Math: Course 2, Volume 1

GM

Glencoe Math: Course 2, Volume 1 View details

4. Add and Subtract Unlike Fractions

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Exercise 3 Page 295

Use the Commutative Property of Addition and the Associative Property of Addition to simplify the expression.

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Practice makes perfect

We want to simplify the given expression with fractions. (15/8+2/5)+(- 7/8) To add these fractions, we will use the Commutative Property of Addition and the Associative Property of Addition. Let's do it!

(15/8+2/5)+(- 7/8)

CommutativePropAdd

Commutative Property of Addition

(2/5+15/8)+(- 7/8)

AssociativePropAdd

Associative Property of Addition

2/5+(15/8+(- 7/8))

Add fractions

2/5+15+(-7)/8

Add terms

2/5+8/8

a/a=1

2/5+1

Add terms

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Subchapter links

Guided Practice p.294

Independent Practice p.295-296

H.O.T. Problems p.296

Standardized Test Practice p.296-298

Extra Practice p.297

Common Core Review p.298