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 3 Page 287

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

- 2/3 or -2/3

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. - 1/9 +(- 5/9) Let's simplify the expression.

-1/9+(- 5/9)

MoveNegFracToNum

Put minus sign in numerator

-1/9+-5/9

Add fractions

-1+(-5)/9

Add terms

-6/9

a/b=.a /3./.b /3.

-2/3

MoveNegNumToFrac

Put minus sign in front of fraction

- 2/3

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