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Glencoe Math: Course 2, Volume 1

GM

Glencoe Math: Course 2, Volume 1 View details

3. Add and Subtract Like Fractions

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Exercise 3 Page 286

To add or subtract fractions with the same denominator, we add or subtract their numerators.

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Practice makes perfect

When adding or subtracting fractions, they should have the same denominator. In this exercise, we have three fractions with the same denominator. (5/8 + 1/8) + 3/8 Let's simplify the expression.

(5/8+1/8)+3/8

CommutativePropAdd

Commutative Property of Addition

(1/8+5/8)+3/8

AssociativePropAdd

Associative Property of Addition

1/8+(5/8+3/8)

Add fractions

1/8+5+3/8

Add terms

1/8+8/8

a/a=1

1/8+1

Add terms

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Subchapter links

Guided Practice p.286

Independent Practice p.287-288

H.O.T. Problems p.288

Standardized Test Practice p.288-290

Extra Practice p.289

Common Core Review p.290