Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 3 - Adding and Subtracting Fractions - Review Exercises - Page 253: 16

Answer

180

Work Step by Step

15 , 9, 20 Use prime factorization to find the least common multiple of 15 , 9 and 20 Find the prime factorization for each number 15 = 3 * 5 9 = 3 * 3 20 = 2 * 2 * 5 3 and 5 occur most often in the factorization of 15 3 occur most often in the factorization of 9 2 * 2 occur most often in the factorization of 20 L.C.M. = 3 * 5 *3 *2 *2 = 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.