Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.2 - Operations with Real Numbers and Simplifying Algebraic Expressions - Exercise Set - Page 27: 21



Work Step by Step

Make the fractions similar using their LCD, which is $36$, to obtain: $=-\dfrac{8}{36} - \dfrac{27}{36}$ RECALL: $a-b = a+(-b)$. Thus, $-\frac{8}{36} - \frac{27}{36}=-\frac{8}{36} +\left(-\frac{27}{36}\right)=-\frac{35}{36}$
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