Stylish bro, you need to subtract 15 from 96, which is 81, so get your sums right first.

Mn Nepal:  pick 10, add 1+ 0 =1, subtract 10-1 which is 9, same way, , 20-2=18, Why don't you do your sum at first place. And it does work with  96 or 10 or 20.