## Elementary Algebra

Published by Cengage Learning

# Chapter 7 - Algebraic Fractions - 7.2 - Multiplying and Dividing Algebraic Fractions - Problem Set 7.2 - Page 285: 15

#### Answer

$\frac{3x^{2}y}{2}$

#### Work Step by Step

We can never divide fractions. Rather, we must flip the numerator and the denominator for the second fraction listed and then multiply. $24x^{3}\div\frac{16x}{y}=24x^{3}\times\frac{y}{16x}$ When we multiply fractions, we multiply the numerators of the fractions by each other and the denominators of the fractions by each other. Then, we cancel out the common factors in the numerator and the denominator of the resultant fraction in order to simplify the fraction: $24x^{3}\times\frac{y}{16x}$ =$\frac{24x^{3}\times y}{16x}$ =$\frac{24x^{3}y}{16x}$ =$\frac{3x^{3}y}{2x}$ =$\frac{3x^{3-1}y}{2}$ =$\frac{3x^{2}y}{2}$

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