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 - Practice: 23



Work Step by Step

$6\frac{2}{3}+(-12\frac{3}{4})$ $=6\frac{2}{3}-12\frac{3}{4}$ $=-12\frac{3}{4}+6\frac{2}{3}$ $=-(12\frac{3}{4}-6\frac{2}{3})$ $=-(12\frac{9}{12}-6\frac{8}{12})$ $=-6\frac{1}{12}$
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