body{margin:0;} noscript{z-index: 10000; position: fixed; display: block; height: 100%; width: 100%; background: #fff;} noscript .fa{font-size: 40px; display:block; color: #daa520;} noscript div{margin-top: 6%; padding-left: 20px; padding-right: 20px; text-align: center;} ! You must have JavaScript enabled to use this site.

Glencoe Math: Course 2, Volume 1

GM

Glencoe Math: Course 2, Volume 1 View details

3. Add and Subtract Like Fractions

Continue to next subchapter

Exercise 18 Page 289

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

5/12

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. 7/12 - 2/12 Let's simplify the expression.

7/12-2/12

a-b = a+(- b)

7/12+(- 2/12)

MoveNegFracToNum

Put minus sign in numerator

7/12+-2/12

Add fractions

7+(-2)/12

Add terms

5/12

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