1901 ÷ 7 = 271 R4
We're going to perform division on 1901 with 7 as the divisor.

Step 1:
7 goes into 1 0 times with a remainder of 1.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 1 to get 1.
Bring next digit (9) of the dividend behind the 1 and repeat the process: 19 / 7

Step 2:
7 goes into 19 2 times with a remainder of 5.
Write down 2 as next digit of of the result. 
Result so far: 2
Subtract 14 from 19 to get 5.
Bring next digit (0) of the dividend behind the 5 and repeat the process: 50 / 7

Step 3:
7 goes into 50 7 times with a remainder of 1.
Write down 7 as next digit of of the result. 
Result so far: 27
Subtract 49 from 50 to get 1.
Bring next digit (1) of the dividend behind the 1 and repeat the process: 11 / 7

Step 4:
7 goes into 11 1 times with a remainder of 4.
Write down 1 as next digit of of the result. 
Result so far: 271
Subtract 7 from 11 to get 4.

The final result is 271 with a remainder of 4.