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: 47



Work Step by Step

LCD is 18. $\frac{7}{9}-\frac{1}{6}=\frac{7\times2}{9\times2}-\frac{1\times3}{6\times3}=\frac{14}{18}-\frac{3}{18}=\frac{14-3}{18}=\frac{11}{18}$
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