13
13.375
0.3077
-24
The only way I know how to do it is 12+13=25, 6 divided by 6=1, and 25-1=24
143 can be divided by 11 and 13 and 1 and 143 72 can be divided by 1 and 2 and 3 and 24 and 6 and 12 and 9 and 8
973 divided by 24 equals 40 with a remainder of 13.
32.875
24
2.0833
80
1 divided by 2 = 0.5 1 divided by 13 = 0.07692 (rounded) 13 divided by 2 = 6.5 13 divided by 13 = 1