We look at the division of 903302 by 31 
We want to divide 903302 by 31.

Step 1:
9 divided by 31 is 0 with a remainder of 9.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 9, we end up with 9.
Fetch the next digit (0) from the dividend, attach it to 9 and continue: 90 / 31

Moving on to step 2:
If we divide 90 by 31, we get 2 and a remainder of 28.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Deduct 62 from 90 and we're left with 28.
Include the next digit (3) from the dividend after 28, then repeat: 283 / 31

Let's proceed to step 3:
283 divided by 31 is 9 with a remainder of 4.
Put 9 as the next digit of the answer. 
Result so far: 29.0
Deduct 279 from 283 and we're left with 4.
Append the next digit (3) from the dividend to 4 and continue with: 43 / 31

On to step 4:
43 divided by 31 is 1 with a remainder of 12.
Write down 1 as next digit of the result. 
Result so far: 291.0
If we take 31 away from 43, we end up with 12.
Include the next digit (0) from the dividend after 12, then repeat: 120 / 31

On to step 5:
When dividing 120 by 31, we get 3 with a remainder of 27.
Use 3 as the next digit of our solution. 
Result so far: 2913.0
If we take 93 away from 120, we end up with 27.
Bring next digit (2) of the dividend behind the 27 and repeat the process: 272 / 31

Step 6:
When dividing 272 by 31, we get 8 with a remainder of 24.
The next digit of our result is 8. 
Result so far: 29138.0
If we subtract 248 from 272, we get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Step 7:
31 goes into 240 7 times with a remainder of 23.
Record the quotient 7 as the next digit in the result. 
Result so far: 29138.7
The remainder is 23 after subtracting 217 from 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Step 8:
When dividing 230 by 31, we get 7 with a remainder of 13.
Record the quotient 7 as the next digit in the result. 
Result so far: 29138.77
If we subtract 217 from 230, we get 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

After the division, we end up with 29138.77 and a remainder of 0.013.