Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 3 - Adding and Subtracting Fractions - 3.2 Least Common Multiples - 3.2 Exercises - Page 211: 22

Answer

$180$.

Work Step by Step

$12 = 2 \cdot 2 \cdot 3$ $15 = 3 \cdot 5$ $18 = 2 \cdot 3 \cdot 3$ $20 = 2 \cdot 2 \cdot 5$ LCM $= 2 \cdot 2 \cdot 3 \cdot 3 \cdot 5 = 180$.
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