Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Section 1.2 - Fractions in Algebra - Exercise Set - Page 29: 12

Answer

least common denominator

Work Step by Step

Adding and Subtracting Fractions with Unlike Denominators: 1. Rewrite the fractions as equivalent fractions with the least common denominator. 2. Add or subtract the numerators, putting this result over the common denominator. The least common denominator for 4 and 5 is their least common multiple, 20.
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