## Prealgebra (7th Edition)

$6\frac{17}{30}$
$2\frac{1}{6}+4\frac{2}{5}$ $=2\frac{5}{30}+4\frac{12}{30}$ $=6\frac{17}{30}$ Check by estimating. $2\frac{1}{6}+4\frac{2}{5}$ $2+4$ $=6$ $6\approx6\frac{17}{30}$ Our exact answer is close to $6$, so our answer is reasonable.