Answer
numerators, denominators, $\displaystyle \qquad \frac{PR}{QS}$
Work Step by Step
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. $(\displaystyle \frac{P}{Q}\cdot\frac{R}{S}=\frac{PR}{QS})$
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Fill the blanks with
numerators, denominators, $\displaystyle \qquad \frac{PR}{QS}$