Question

Simplify each of the following and express the result as a rational number in standard form:

$$\frac{-16}{21}\times \frac{14}{5}$$

Answer 1

$$\frac{-16}{21}\times \frac{14}{5}=\frac{-2\times 2\times 2\times 2}{3\times 7}\times \frac{2\times 7}{5}=\frac{-32}{15}$$