Answer
$\frac{21}{32}$
Work Step by Step
$\frac{7}{64}+\frac{15}{64}+\frac{20}{64}=\frac{7+15+20}{64}=\frac{42}{64}=\frac{42\div2}{64\div2}=\frac{21}{32}$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 3 - Adding and Subtracting Fractions - 3.1 Adding and Subtracting Like Fractions - 3.1 Execises - Page 201: 18
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