### Home > PC3 > Chapter 9 > Lesson 9.1.4 > Problem 9-81

9-81.

Add the fractions and simplify:

Create a common denominator.

Combine the two fractions.

Simplify. Be sure to use the Fundamental Pythagorean Identity.

9-81.

Add the fractions and simplify:

Create a common denominator.

Combine the two fractions.

Simplify. Be sure to use the Fundamental Pythagorean Identity.