Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 1 - Section 1.7 - Addition and Subtraction of Fractions - Exercise - Page 40: 29

Answer

$\frac{4}{7}$

Work Step by Step

We combine the fractions by finding the LCD and simplify if necessary: $\displaystyle \frac{9}{14}-\frac{3}{42}=\frac{27}{42}-\frac{3}{42}=\frac{24}{42}=\frac{4}{7}$
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