Answer
$\frac{17}{36}$
Work Step by Step
$-\frac{1}{9}+\frac{7}{12}=\frac{7}{12}-\frac{1}{9}=\frac{7\times3}{12\times3}-\frac{1\times4}{9\times4}=\frac{21}{36}-\frac{4}{36}=\frac{21-4}{36}=\frac{17}{36}$
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 R - Section R.2 - Operations on Real Numbers - R.2 Exercises - Page 21: 93
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