Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 3 - Adding and Subtracting Fractions - 3.2 Least Common Multiples - 3.2 Exercises: 43

Answer

72

Work Step by Step

In order to rewrite $\frac{9}{7}$ with a denominator of 56, we must first divide 56 by the original denominator. $56÷7=8$ Therefore, we must multiply the original numerator by 8. $\frac{9}{7}=\frac{9\times8}{56}=\frac{72}{56}$
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