# Precalculus Examples

To write as a fraction with a common denominator, multiply by .
To write as a fraction with a common denominator, multiply by .
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
Combine.
Combine.
Reorder terms.
Combine the numerators over the common denominator.
Simplify the numerator.
Apply the distributive property.
Multiply by .
Apply the distributive property.
Multiply by .
Remove unnecessary parentheses.