## Prealgebra (7th Edition)

$\frac{8}{21}$
$2\frac{2}{3}\times\frac{1}{7}$ $\longrightarrow$ convert mixed number $=\frac{8}{3}\times\frac{1}{7}$ $\longrightarrow$multiply numerators and denominators $=\frac{8\times1}{3\times7}$ $=\frac{8}{21}$