Answer
$20\frac{7}{24}$
Work Step by Step
$7\frac{3}{8}+9\frac{5}{6}+3\frac{1}{12}$
$=7\frac{9}{24}+9\frac{20}{24}+3\frac{1}{12}$
$=16\frac{29}{24}+3\frac{1}{12}$
$=17\frac{5}{24}+3\frac{1}{12}$
$=17\frac{5}{24}+3\frac{2}{24}$
$=20\frac{7}{24}$