Answer
40
Work Step by Step
We are given the numbers 4 and 10.
We can find use the prime factorization of both numbers to find their LCM.
$8=2\times2\times2$
$10=2\times5$
Therefore, the $LCM=(2\times2\times2)\times(5)=40$.
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: 15
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