Basic College Mathematics (10th Edition)

by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.

Published by Pearson

ISBN 10: 0134467795

ISBN 13: 978-0-13446-779-5

Chapter 3 - Adding and Subtracting Fractions - 3.2 Least Common Multiples - 3.2 Exercises - Page 211: 18

Answer

Work Step by Step

The LCM of a group of numbers is the smallest number into which the original numbers divide. Therefore, we can list the multiples of each number, and the number that first appears as a multiple of all of the numbers will be the LCM. 6- 6, 12, 18, 24, 30, 36 9- 9, 18, 27, 36 12- 12, 24, 36 Therefore, 36 is the LCM of 6, 9 and 12.

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