Chapter 2 - Real Numbers - 2.2 - Addition and Subtraction of Rational Numbers - Problem Set 2.2 - Page 59: 109

The answer is below.

First, create a common denominator for the two fractions. (In this case, the least common denominator is 12x.) Next, add the two fractions, adding the numerators and keeping the same denominator for the final fraction. Finally, examine the final fraction and see if it can be reduced to a more simple fraction.