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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 5 Page 287

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

- 1 12

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. - 3/4 +(- 3/4) Let's simplify the expression.

-3/4+(- 3/4)

MoveNegFracToNum

Put minus sign in numerator

-3/4+-3/4

Add fractions

-3+(-3)/4

Add terms

-6/4

a/b=.a /2./.b /2.

-3/2

MoveNegNumToFrac

Put minus sign in front of fraction

- 3/2

Calculate quotient

- 1 12

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