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: 21



Work Step by Step

LCD is 2x. $\frac{1}{2}+\frac{3}{x}=\frac{1\times x}{2\times x}+\frac{3\times2}{x\times2}=\frac{1x}{2x}+\frac{6}{2x}=\frac{1x+6}{2x}$
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