Let's divide 831043 by 81
Let's see how many times 81 fits into 831043.

Going ahead to step 1:
8 divided by 81 is 0 with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Grab the next digit (3) from the dividend, add it to 8, then carry on: 83 / 81

Going ahead to step 2:
If we divide 83 by 81, we get 1 and a remainder of 2.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Subtracting 81 from 83 leaves us with 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 81

Moving on to step 3:
81 goes into 21 0 times with a remainder of 21.
Use 0 as the next digit of our solution. 
Result so far: 10.0
If we subtract 0 from 21, we get 21.
Fetch the next digit (0) from the dividend, attach it to 21 and continue: 210 / 81

On to step 4:
If we divide 210 by 81, we get 2 and a remainder of 48.
The number 2 becomes the next digit in our result. 
Result so far: 102.0
Subtracting 162 from 210 leaves us with 48.
Fetch the next digit (4) from the dividend, attach it to 48 and continue: 484 / 81

On to step 5:
The number 81 fits into 484 5 times, leaving a remainder of 79.
Write down 5 as next digit of the result. 
Result so far: 1025.0
The remainder is 79 after subtracting 405 from 484.
Append the next digit (3) from the dividend to 79 and continue with: 793 / 81

Step 6:
81 goes into 793 9 times with a remainder of 64.
Put 9 as the next digit of the answer. 
Result so far: 10259.0
If we subtract 729 from 793, we get 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Going ahead to step 7:
The number 81 fits into 640 7 times, leaving a remainder of 73.
The next digit of our result is 7. 
Result so far: 10259.7
The remainder is 73 after subtracting 567 from 640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 730, and continue the process.

Let's proceed to step 8:
81 goes into 730 9 times with a remainder of 1.
Put 9 as the next digit of the answer. 
Result so far: 10259.79
Deduct 729 from 730 and we're left with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Moving on to step 9:
When dividing 10 by 81, we get 0 with a remainder of 10.
The number 0 becomes the next digit in our result. 
Result so far: 10259.79
If we take 0 away from 10, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 10:
100 divided by 81 is 1 with a remainder of 19.
Record the quotient 1 as the next digit in the result. 
Result so far: 10259.7901
Subtracting 81 from 100 leaves us with 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Advancing to step 11:
The number 81 fits into 190 2 times, leaving a remainder of 28.
Use 2 as the next digit of our solution. 
Result so far: 10259.79012
The remainder is 28 after subtracting 162 from 190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

On to step 12:
280 divided by 81 is 3 with a remainder of 37.
Put 3 as the next digit of the answer. 
Result so far: 10259.790123
If we take 243 away from 280, we end up with 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

Advancing to step 13:
The number 81 fits into 370 4 times, leaving a remainder of 46.
Use 4 as the next digit of our solution. 
Result so far: 10259.7901234
If we take 324 away from 370, we end up with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Advancing to step 14:
When dividing 460 by 81, we get 5 with a remainder of 55.
Put 5 as the next digit of the answer. 
Result so far: 10259.79012345
If we take 405 away from 460, we end up with 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

The final outcome is 10259.79012345, with a leftover of 5.5e-08.