Basic College Mathematics (10th Edition)

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

Chapter 3 - Adding and Subtracting Fractions - Mixed Review Exercises - Page 258: 21

Answer

126

Work Step by Step

Multiples of 9 : 9,18,27,36,45,54,63,72,81,90,99,108,117,126. Multiples of 14 : 14,28,42,56,70,84,98,112,126,140 Multiples of 21 : 21,42,63,84,105,126 Now 126 is the smallest common number in all the lists. so 126 is LCM 9, 14, 21.
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