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 298: 42


Exact: $8\frac{1}{4}$ Estimate: $8$

Work Step by Step

Exact: $12\frac{5}{12}-4\frac{1}{6}$ $=12\frac{5}{12}-4\frac{2}{12}$ $=8\frac{3}{12}$ $=8\frac{1}{4}$ Estimate: $12\frac{5}{12}-4\frac{1}{6}$ $\approx12-4$ $=8$
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