Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 3 - Adding and Subtracting Fractions - 3.2 Least Common Multiples - 3.2 Exercises: 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 $= 2 \cdot 2 \cdot 3 \cdot 3 \cdot 5 = 180$.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.