934+7217-9115=?

$given sum =9+\frac{3}{4}+7+\frac{2}{17}-9+\frac{1}{15}$

$9+7+9+\frac{3}{4}+\frac{2}{17}-\frac{1}{15}$

=>  $\frac{7+765+120-68}{1020}$=> $7+\frac{817}{1020}$