Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Section 4.4 - Adding and Subtracting Like Fractions, Least Common Denominator, and Equivalent Fractions - Exercise Set: 11



Work Step by Step

-$\frac{7x}{18}$ +$\frac{3x}{18}$+$\frac{2x}{18}$ Add the numerators, Keep the common denominator. =$\frac{-7x+3x+2x}{18}$ =$\frac{-2x}{18}$ =$\frac{ -2x \times1}{2\times9}$ = -$\frac{x}{9}$
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