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 - Page 261: 31



Work Step by Step

$\frac{7x}{16}$ - $\frac{15x}{16}$ = $\frac{7x-15x}{16}$ =$\frac{-8x}{16}$ =-$\frac{8\times 1x}{2\times8}$ =-$\frac{x}{2}$
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