Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Section 4.5 - Adding and Subtracting Unlike Fractions - Exercise Set - Page 273: 25

Answer

$\frac{3}{14}$

Work Step by Step

LCD is 14. $\frac{9}{14}-\frac{3}{7}=\frac{9}{14}-\frac{3\times2}{7\times2}=\frac{9}{14}-\frac{6}{14}=\frac{9-6}{14}=\frac{3}{14}$
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