57 ÷ 8 = 7 R1
No problem, we've got 57 and 8 for the division.

Step 1:
8 goes into 5 0 times with a remainder of 5.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 5 to get 5.
Bring next digit (7) of the dividend behind the 5 and repeat the process: 57 / 8

Step 2:
8 goes into 57 7 times with a remainder of 1.
Write down 7 as next digit of of the result. 
Result so far: 7
Subtract 56 from 57 to get 1.

The final result is 7 with a remainder of 1.