Basic College Mathematics (10th Edition)

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 214: 65

Answer

12625

Work Step by Step

The Least Common Multiple is the smallest number that is a multiple of all of the numbers listed. Remember, multiples of a number are all of the numbers that the number can be multiplied by a whole number to get that number. Thus, we find the prime factorizations: $$ 125: 5\cdot5\cdot 5 \\ 2525: 5\cdot5\cdot 101$$ Thus, the LCM is: $$ 5\cdot 5 \cdot 5 \cdot 101 \\ 12625$$
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