Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 6 - Section 6.2 - Adding and Subtracting Rational Expressions - Exercise Set: 99

Answer

when the denominators are relatively prime

Work Step by Step

The $LCD$ of two rational expressions equal to the product of their denominators if the denominators are relatively prime. That is, there are no common factors between the two denominators, such as the denominators of the expressions $\dfrac{1}{x}$ and $\dfrac{7}{x+5}.$
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