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 31: 141


Makes sense.

Work Step by Step

Multiplying the fractions, we just 1. multiply the numerators, 2. multiply the denominators (2 calculations). Adding, we need to 1. find the least common denominator, 2. expand each fraction so it has the least common denominator, 3. add the resulting numerators, Adding seems to involve more work....
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