Answer
$-\frac{1}{18}$
Work Step by Step
$\frac{5}{6}-\frac{8}{9}=\frac{5\times6}{6\times6}-\frac{8\times4}{9\times4}=\frac{30}{36}-\frac{32}{36}=\frac{30-32}{36}=\frac{-2}{36}=-\frac{2\div2}{36\div2}=-\frac{1}{18}$
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter 6 - Section 6.2 - Adding and Subtracting Rational Expressions - 6.2 Exercises - Page 382: 3
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