Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 2 - Review - Page 133: 23



Work Step by Step

We simplify by removing the parenthesis and add the terms as follows: $$ \frac{-5}{8}+ \left( -\frac{5}{6} \right)- \left( +1\frac{2}{3} \right)= - \frac{5}{8} -\frac{5}{6} - \frac{5}{3} \\ =- \frac{15}{24} -\frac{20}{24} - \frac{40}{24} =-\frac{75}{24}=-3\frac{1}{8}.$$
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