Answer
$-50\frac{7}{10}$
Work Step by Step
$-20\frac{2}{5}+(-30\frac{3}{10})$
$=-20\frac{2}{5}-30\frac{3}{10}$
$=-(20\frac{2}{5}+30\frac{3}{10})$
$=-(20\frac{4}{10}+30\frac{3}{10})$
$=-50\frac{7}{10}$
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 302: 102
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