Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 3 - Adding and Subtracting Fractions - 3.3 Adding and Subtracting Unlike Fractions - 3.3 Exercises - Page 221: 46


The three steps to subtract unlike fractions are: 1. Rewrite as like fractions 2. Add or subtract 3. Rewrite the result in lowest common terms

Work Step by Step

1. Find a common multiple to use as the new denominator for each fraction. 2. Subtract the numerators, keeping the common denominator as is. 3. Simplify, if possible.
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