Basic College Mathematics (9th Edition)

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

Chapter 3 - Adding and Subtracting Fractions - Summary Exercises - Operations with Fractions: 43



Work Step by Step

In order to rewrite $\frac{3}{9}$ with a denominator of 45, we must multiply both the numerator and the denominator of the original fraction by 5. $\frac{3}{9}=\frac{3\times5}{9\times5}=\frac{15}{45}$
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