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: 6

Answer

Work Step by Step

Multiples of 4: 4, 8, 12, 16, 20 In order to find the LCM of 2 and 4, we must find the first multiple of 4 that is also divisible by 2. $4\div2=2$ Therefore, 4 is the LCM of 2 and 4. This makes sense, given that 4 is a multiple of 2.

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