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: 26



Work Step by Step

-$\frac{15}{200}$ + $\frac{85}{200}$ = $\frac{-15+85}{200}$ =$\frac{70}{200}$ =$\frac{7\times10}{20\times10}$ =$\frac{7}{20}$
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