### Home > A2C > Chapter 7 > Lesson 7.3.4 > Problem 7-206

7-206.

Add or subtract and simplify each of the following expressions.

**Justify**that each step of your process makes sense. Homework Help ✎

Simplify the expression above by creating a common denominator.

Factor the denominator in the first term. What do you need to multiply the second fraction by to get a common denominator?