11/8 -> this means, how many times can 8 go into 11? More than once, but less than two, because 8 is less than 11 but 16 is more than 11. The easiest way to do this is to use a calculator.
Otherwise:
1.375
8)11.00
-08
3.0
-2.4
.60
-.56
.040
-.040
.000
The answer, therefore, is 1.375