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: 14

Answer

$\frac{11}{36}$

Work Step by Step

LCD is 36. $\frac{7}{12}-\frac{5}{18}=\frac{7\times3}{12\times3}-\frac{5\times2}{18\times2}=\frac{21}{36}-\frac{10}{36}=\frac{21-10}{36}=\frac{11}{36}$
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