### Home > AC > Chapter 13 > Lesson 13.OF1-S > Problem7-131

7-131.

Simplify the following fractions.

Remove the fractions in the numerator and in the denominator. See problem 7-97 for help.

1. $\frac { \frac { 1 } { a } - \frac { 1 } { b } } { \frac { 1 } { a } + \frac { 1 } { b } }$

$\frac{\textit{b}-\textit{a}}{\textit{b}+\textit{a}}$

2. $\frac { x + y } { \frac { 1 } { x } + \frac { 1 } { y } }$