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: 41

Answer

$-\dfrac{1}{4}$

Work Step by Step

First, make the fractions similar using their LCD, which is 4, to obtain: $=\dfrac{1}{4} - \dfrac{2}{4}$ RECALL: $a-b = a+(-b)$ Thus, $\frac{1}{4} - \frac{2}{4} \\= \frac{1}{4} + \frac{-2}{4} \\=-(\frac{2}{4}-\frac{1}{4}) \\=-\frac{1}{4}$
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