Prealgebra (7th Edition)

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 302: 102



Work Step by Step

$-20\frac{2}{5}+(-30\frac{3}{10})$ $=-20\frac{2}{5}-30\frac{3}{10}$ $=-(20\frac{2}{5}+30\frac{3}{10})$ $=-(20\frac{4}{10}+30\frac{3}{10})$ $=-50\frac{7}{10}$
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