# Precalculus Examples

Step 1

To write as a fraction with a common denominator, multiply by .

Step 2

To write as a fraction with a common denominator, multiply by .

Step 3

Step 3.1

Multiply by .

Step 3.2

Multiply by .

Step 3.3

Reorder the factors of .

Step 4

Combine the numerators over the common denominator.

Step 5

Step 5.1

Apply the distributive property.

Step 5.2

Multiply by .

Step 5.3

Apply the distributive property.

Step 5.4

Multiply by .

Step 5.5

Add and .

Step 5.6

Add and .