Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Section 4.4 - Adding and Subtracting Like Fractions, Least Common Denominator, and Equivalent Fractions - Exercise Set: 12

Answer

-$\frac{z}{5}$

Work Step by Step

-$\frac{7z}{15}$ +$\frac{3z}{15}$+$\frac{1z}{15}$ Add the numerators, Keep the common denominator. =$\frac{-7z+3z+1z}{15}$ =$\frac{-3z}{15}$ =$\frac{ -3z \times1}{3\times5}$ = -$\frac{z}{5}$
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.