The reverse of subtracting 16 is adding 16. When you subtract 16 from a number, you decrease its value, so to return to the original number, you would add 16 back to it. This operation effectively cancels out the subtraction.
Add 16
9
10847
16
18
25
subtract 16 from 1992
It is: 25 -9 = 16
8 times. (2 * 8 = 16) If you subtract "2" 8 times this will leave you with 0.
300288
25 - 9 = 16
7/16