40103 ÷ 7 = 5729 R0
No problem, we've got 40103 and 7 for the division.

Step 1:
7 goes into 4 0 times with a remainder of 4.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 4 to get 4.
Bring next digit (0) of the dividend behind the 4 and repeat the process: 40 / 7

Step 2:
7 goes into 40 5 times with a remainder of 5.
Write down 5 as next digit of of the result. 
Result so far: 5
Subtract 35 from 40 to get 5.
Bring next digit (1) of the dividend behind the 5 and repeat the process: 51 / 7

Step 3:
7 goes into 51 7 times with a remainder of 2.
Write down 7 as next digit of of the result. 
Result so far: 57
Subtract 49 from 51 to get 2.
Bring next digit (0) of the dividend behind the 2 and repeat the process: 20 / 7

Step 4:
7 goes into 20 2 times with a remainder of 6.
Write down 2 as next digit of of the result. 
Result so far: 572
Subtract 14 from 20 to get 6.
Bring next digit (3) of the dividend behind the 6 and repeat the process: 63 / 7

Step 5:
7 goes into 63 9 times with a remainder of 0.
Write down 9 as next digit of of the result. 
Result so far: 5729
Subtract 63 from 63 to get 0.

The final result is 5729 with a remainder of 0.