#### Answer

$19\frac{2}{5}$

#### Work Step by Step

$3\times6\frac{7}{15}$
$=\frac{3}{1}\times\frac{97}{15}$
$=\frac{1}{1}\times\frac{97}{5}$
$=\frac{97}{5}$
$=19\frac{2}{5}$
Check your work by estimating
$3\times6\frac{7}{15}$
Round the fractions for a quick estimate.
$3\times6$
$=18$
$18\approx19\frac{2}{5}$
The estimate is close to the exact value, so our answer is reasonable.