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: 25

Answer

$\frac{9}{10}$

Work Step by Step

-$\frac{9}{100}$ + $\frac{99}{100}$ = $\frac{-9+99}{100}$ =$\frac{90}{100}$ =$\frac{9\times10}{10\times10}$ =$\frac{9}{10}$
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