## Introductory Algebra for College Students (7th Edition)

Published by Pearson

# Chapter 1 - Section 1.2 - Fractions in Algebra - Exercise Set - Page 29: 80

#### Answer

$\frac{8}{15}$

#### Work Step by Step

$\frac{2}{5} + \frac{2}{15}$ the least common denominator for the denominators 5 and 15 is 15. To obtain denominators of 15, multiply the numerator and denominator of the first fraction by 3 $\frac{2}{5} + \frac{2}{15}$ = $\frac{2*3}{5*3} + \frac{2}{15}$ $\frac{6}{15} + \frac{2}{15}$ Add the numerators and put this sum over the least common denominator. $\frac{6+2}{15}$ = $\frac{8}{15}$

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