93 ÷ 4 = 23 R1
We're going to perform division on 93 with 4 as the divisor.

Step 1:
4 goes into 9 2 times with a remainder of 1.
Write down 2 as next digit of of the result. 
Result so far: 2
Subtract 8 from 9 to get 1.
Bring next digit (3) of the dividend behind the 1 and repeat the process: 13 / 4

Step 2:
4 goes into 13 3 times with a remainder of 1.
Write down 3 as next digit of of the result. 
Result so far: 23
Subtract 12 from 13 to get 1.

The final result is 23 with a remainder of 1.