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: 22

Answer

$\frac{2x+15}{5x}$

Work Step by Step

LCD is 5x. $\frac{2}{5}+\frac{3}{x}=\frac{2\times x}{5\times x}+\frac{3\times 5}{x\times 5}=\frac{2x}{5x}+\frac{15}{5x}=\frac{2x+15}{5x}$
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