Answer
$-\frac{3y}{8x}$
Work Step by Step
Given : $\frac{\frac{1}{x} - \frac{4}{x}}{\frac{3}{y} + \frac{5}{y}}$
This becomes : $\frac{\frac{-3}{x}}{\frac{8}{y}}= - \frac{3}{x} \times \frac{y}{8}$
$-\frac{3y}{8x}$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
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 689: 52
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