Algebra: A Combined Approach (4th Edition)

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

Chapter 7 - Section 7.4 - Adding and Subtracting Rational Expressions with Different Denominators - Exercise Set - Page 515: 2



Work Step by Step

$\frac{15}{7a}$+$\frac{8}{6a}$= $\frac{15*6}{7a*6}$+$\frac{8*7}{6a*7}$= $\frac{90}{42a}$+$\frac{56}{42a}$=$\frac{90+56}{42a}$= $\frac{146}{42a}$=$\frac{73}{21a}$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.