Answer
$\frac{15}{45}$
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.
$\frac{3}{9}=\frac{3\times5}{9\times5}=\frac{15}{45}$
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapter 3 - Adding and Subtracting Fractions - Summary Exercises - Operations with Fractions - Page 236: 43
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