Answer
$\frac{4}{n}$
Work Step by Step
By inspection, we see that there is a common denominator of 2n. Therefore, we obtain:
$\frac{7}{2n}+\frac{1}{2n}$
$=\frac{7+1}{2n}$
$=\frac{8}{2n}$
$=\frac{4}{n}$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 7 - Algebraic Fractions - 7.3 - Adding and Subtracting Algebraic Fractions - Problem Set 7.3 - Page 291: 5
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