Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 11 - Rational Expressions and Functions - 11-4 Adding and Subtracting Rational Expressions - Practice and Problem-Solving Exercises - Page 688: 25



Work Step by Step

Given : $\frac{7}{3a} + \frac{2}{5}$ This becomes : $\frac{7\times5}{3a\times5} + \frac{2\times3a}{5\times3a}$ (After finding the least common denominator) $= \frac{35}{15a} + \frac{6a}{15a}$ $=\frac{35+6a}{15a}$
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