### Home > A2C > Chapter 13 > Lesson 13.1.3 > Problem 13-59

13-59.

Rewrite each sum below as a single expression. Homework Help ✎

Recall the steps for adding fractions.

The common denominator is (*x* + 1)(*x* − 1).

The common denominator is 2*x*^{2}.

Review the other hints.