1.5
yes, both give same result (12), do the same to the top and bottom (divide or multiply) and the result is the same.
13.5
12
0.3333
The quotient is 24.
24
-6
12/3.5 = 3.428571 recurring (that is, 3.428571428571...)
0.0556
40
There is no way to divide 12 in half and get 7 as the result. Dividing 12 in half would give you 6.
70