Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 7 - Section 7.3 - Adding and Subtracting Rational Expressions with the Same Denominator and Least Common Denominator - Exercise Set: 61

Answer

$\frac{7}{30}$

Work Step by Step

$\frac{1}{12}$+$\frac{3}{20}$=$\frac{1*5}{12*5}$+$\frac{3*3}{20*3}$= $\frac{5}{60}$+$\frac{9}{60}$=$\frac{5+9}{60}$=$\frac{14}{60}$=$\frac{7}{30}$
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