Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - 2.2 - Addition and Subtraction of Rational Numbers - Concept Quiz 2.2: 8

Answer

False

Work Step by Step

The denominators of the two fractions being added are $ab$ and $bc$, respectively. Since each of these contain the factor $b$, $b$ must be a factor of the least common denominator. Since $ac$ does not include $b$, this is not the least common denominator.
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