Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 1 - Section 1.5 - Subtracting Real Numbers - Exercise Set: 30

Answer

$-\frac{39}{40}$

Work Step by Step

$-\frac{1}{10}-\frac{7}{8}=-\frac{1\times4}{10\times4}-\frac{7\times5}{8\times}=-\frac{4}{40}-\frac{35}{40}=\frac{-4-35}{40}=\frac{-4+(-35)}{40}=\frac{-39}{40}=-\frac{39}{40}$
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