Wetzel

Math 102

7.2 – Multiplying and Dividing Rationals

Multiplying Rationals –

            Steps:

1.)    Completely factor all numerators and denominators

            2.)  Cancel any factors in common to both the numerator and denominator

            3.)  Multiply the remaining factors leaving the answer in factored form.

Ex.:

1.)                                       2.) 

Dividing Rationals -

            Steps:

            1.)  Change the division sign to multiplication by inverting or "flipping" the rational that follows the division sign.

            2.)  Now that it is a multiplication problem, follow Multiplication steps.

Ex.:

3.)                                     4.)