Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - Chapter 2 Review Problem Set - Page 88: 16


$= \frac{39}{70}$

Work Step by Step

We first create a common denominator, and then we add the numerators together to obtain: $\frac{9}{14} - \frac{3}{35}$ $= \frac{9(35)}{490} - \frac{3(14)}{490}$ $= \frac{315}{490} - \frac{42}{490}$ $= \frac{273}{490}$ $= \frac{39}{70}$
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