### Home > A2C > Chapter 2 > Lesson 2.1.1 > Problem 2-12

2-12.

Change to common denominator.

Now just subtract the fractions.

Change to common denominator. (2*xy*)

Add the fractions to get one fraction.

2-12.

Change to common denominator.

Now just subtract the fractions.

Change to common denominator. (2*xy*)

Add the fractions to get one fraction.