The method to divide fractions is to keep the first fraction the same, turn the divide sign into a multiply and turn the second fraction upside down. This is known as multiplying by the reciprocal.

The same method is used for adding / subtracting both numerical fractions and algebraic fractions. Find a common denominator Write each fraction as an equivalent fraction with the common denominator ...

In this video I will show you how to simplify trigonometric expressions by multiplying by the reciprocal, lcd and rationalizing the function. We will do this by first simplifying algebraic complex ...