We're dividing 83515441 by 831 
We want to divide 83515441 by 831.

Advancing to step 1:
When dividing 8 by 831, we get 0 with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Take the next digit (3) from the dividend and append it to 8, then repeat: 83 / 831

On to step 2:
831 can be fit into 83 0 times, resulting in a remainder of 83.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 83 to get 83.
Grab the next digit (5) from the dividend, add it to 83, then carry on: 835 / 831

Step 3:
835 divided by 831 is 1 with a remainder of 4.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtracting 831 from 835 leaves us with 4.
Fetch the next digit (1) from the dividend, attach it to 4 and continue: 41 / 831

On to step 4:
41 divided by 831 is 0 with a remainder of 41.
Record the quotient 0 as the next digit in the result. 
Result so far: 10.0
Deduct 0 from 41 and we're left with 41.
Include the next digit (5) from the dividend after 41, then repeat: 415 / 831

Going ahead to step 5:
831 goes into 415 0 times with a remainder of 415.
Write down 0 as next digit of the result. 
Result so far: 100.0
Subtract 0 from 415 to get 415.
Bring next digit (4) of the dividend behind the 415 and repeat the process: 4154 / 831

Moving on to step 6:
If we divide 4154 by 831, we get 4 and a remainder of 830.
The number 4 becomes the next digit in our result. 
Result so far: 1004.0
The remainder is 830 after subtracting 3324 from 4154.
Fetch the next digit (4) from the dividend, attach it to 830 and continue: 8304 / 831

Going ahead to step 7:
When dividing 8304 by 831, we get 9 with a remainder of 825.
Record the quotient 9 as the next digit in the result. 
Result so far: 10049.0
The remainder is 825 after subtracting 7479 from 8304.
Bring next digit (1) of the dividend behind the 825 and repeat the process: 8251 / 831

Going ahead to step 8:
8251 divided by 831 is 9 with a remainder of 772.
Write down 9 as next digit of the result. 
Result so far: 100499.0
If we take 7479 away from 8251, we end up with 772.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7720, and continue the process.

Going ahead to step 9:
The number 831 fits into 7720 9 times, leaving a remainder of 241.
Record the quotient 9 as the next digit in the result. 
Result so far: 100499.9
Deduct 7479 from 7720 and we're left with 241.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2410, and continue the process.

On to step 10:
831 can be fit into 2410 2 times, resulting in a remainder of 748.
Record the quotient 2 as the next digit in the result. 
Result so far: 100499.92
Subtract 1662 from 2410 to get 748.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7480, and continue the process.

Going ahead to step 11:
The number 831 fits into 7480 9 times, leaving a remainder of 1.
Write down 9 as next digit of the result. 
Result so far: 100499.929
Subtract 7479 from 7480 to get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 12:
The number 831 fits into 10 0 times, leaving a remainder of 10.
The number 0 becomes the next digit in our result. 
Result so far: 100499.929
Subtracting 0 from 10 leaves us 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.

Advancing to step 13:
The number 831 fits into 100 0 times, leaving a remainder of 100.
Put 0 as the next digit of the answer. 
Result so far: 100499.929
The remainder is 100 after subtracting 0 from 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

The quotient of the division is 100499.929, and the remainder is 0.0001.