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: 38

Answer

-$\frac{1}{4}$

Work Step by Step

x-y Replace x with $\frac{7}{8}$ and y with $\frac{9}{8}$ $\frac{7}{8}$ - $\frac{9}{8}$ =-$\frac{2}{8}$ =-$\frac{2\times 1}{2\times4}$ =-$\frac{1}{4}$
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