Answer
$\frac{7}{30}$
Work Step by Step
$\frac{1}{12}$+$\frac{3}{20}$=$\frac{1*5}{12*5}$+$\frac{3*3}{20*3}$=
$\frac{5}{60}$+$\frac{9}{60}$=$\frac{5+9}{60}$=$\frac{14}{60}$=$\frac{7}{30}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
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 - Page 509: 61
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