Elementary Algebra

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: 6



Work Step by Step

By inspection, we see that there is a common denominator of 3n. Therefore, we obtain: $\frac{5}{3n}+\frac{4}{3n}$ $=\frac{5+4}{3n}$ $=\frac{9}{3n}$ $=\frac{3}{n}$
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