## Introductory Algebra for College Students (7th Edition)

numerators, denominators, $\displaystyle \qquad \frac{PR}{QS}$
Step by step multiplication of rational expressions: 1. Factor completely what you can 2. Reduce (divide) numerators and denominators by common factors. 3. Multiply the remaining factors in the numerators and multiply the remaining factors in the denominators. $(\displaystyle \frac{P}{Q}\cdot\frac{R}{S}=\frac{PR}{QS})$ --- Fill the blanks with numerators, denominators, $\displaystyle \qquad \frac{PR}{QS}$