Algebra: A Combined Approach (4th Edition)

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

Chapter 5 - Review: 38

Answer

$\frac{1}{42}$

Work Step by Step

$6^{-1}-7^{-1}=\frac{1}{6}-\frac{1}{7}=\frac{1\times7}{6\times7}-\frac{1\times6}{7\times6}=\frac{7}{42}-\frac{6}{42}=\frac{7-6}{42}=\frac{1}{42}$
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.