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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 6 Page 286

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

- 4/7 or -4/7

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. 2/7 - 6/7 Let's simplify the expression.

2/7-6/7

a-b = a+(- b)

2/7+(-6/7)

MoveNegFracToNum

Put minus sign in numerator

2/7+-6/7

Add fractions

2+(-6)/7

Add terms

-4/7

MoveNegNumToFrac

Put minus sign in front of fraction

- 4/7

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