#### Answer

$\frac{4}{5}$

#### Work Step by Step

$\frac{1}{5}$ + $\frac{3}{5}$ = $\frac{1 + 3}{5}$ = $\frac{4}{5}$
Add the numerators
$4$ is the sum of the numerators
$5$ is the same denominator
$\frac{4}{5}$ is already in lowest terms.

Published by
Pearson

ISBN 10:
0321825535

ISBN 13:
978-0-32182-553-7

$\frac{4}{5}$

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