Multiplication of Rational (Fractional) Expressions
Simply Put:
The rule for multiplying algebraic fractions is the same as the rule for multiplying numerical fractions.
Multiply the tops (numerators)
AND
Multiply the bottoms (denominators).
Note: If possible, reduce (cancel) BEFORE you multiply the tops and bottoms! (It’s easier than simplifying at the end!)
Examples
Multiply and express the product in simplest form: