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: 8



Work Step by Step

LCD is 15. $\frac{2}{15}-\frac{2}{5}=\frac{2}{15}-\frac{2\times3}{5times3}=\frac{2}{15}-\frac{6}{15}=\frac{2-6}{15}=\frac{-4}{15}$
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