Answer
$\frac{9+21y^2}{21y^4}$
Work Step by Step
$\frac{3}{7y^4}+\frac{3}{3y^2}$
$=\frac{3.3}{7y^4.3}+\frac{3.7y^2}{3y^2.7y^2}$
$=\frac{9+21y^2}{21y^4}$
The solution is $\frac{9+21y^2}{21y^4}$.
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 - Got It? - Page 685: 3
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