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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 2 Page 287

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

- 1/2 or -1/2

Practice makes perfect

When adding or subtracting fractions, they should have the same denominator. In this exercise, we have two fractions with the same denominator. 3/8 +(- 7/8) Let's simplify the expression.

3/8+(- 7/8)

MoveNegFracToNum

Put minus sign in numerator

3/8+-7/8

Add fractions

3+(-7)/8

Add terms

-4/8

a/b=.a /4./.b /4.

-1/2

MoveNegNumToFrac

Put minus sign in front of fraction

- 1/2

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