Answer
$42\frac{13}{14}$
Work Step by Step
$7\frac{3}{7}+15+20\frac{1}{2}$
$=22\frac{3}{7}+20\frac{1}{2}$
$=22\frac{6}{14}+20\frac{7}{14}$
$=42\frac{13}{14}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Section 4.7 - Operations on Mixed Numbers - Exercise Set - Page 299: 68
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