We look at the division of 13959453 by 871 
We want to divide 13959453 by 871.

Going ahead to step 1:
When dividing 1 by 871, we get 0 with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Grab the next digit (3) from the dividend, add it to 1, then carry on: 13 / 871

Moving on to step 2:
When dividing 13 by 871, we get 0 with a remainder of 13.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 13 leaves us with 13.
Append the next digit (9) from the dividend to 13 and continue with: 139 / 871

Moving on to step 3:
If we divide 139 by 871, we get 0 and a remainder of 139.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 139, we get 139.
Take the next digit (5) from the dividend and append it to 139, then repeat: 1395 / 871

Step 4:
The number 871 fits into 1395 1 times, leaving a remainder of 524.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 871 away from 1395, we end up with 524.
Bring next digit (9) of the dividend behind the 524 and repeat the process: 5249 / 871

Going ahead to step 5:
871 goes into 5249 6 times with a remainder of 23.
The next digit of our result is 6. 
Result so far: 16.0
Subtracting 5226 from 5249 leaves us with 23.
Fetch the next digit (4) from the dividend, attach it to 23 and continue: 234 / 871

Step 6:
If we divide 234 by 871, we get 0 and a remainder of 234.
The next digit of our result is 0. 
Result so far: 160.0
Deduct 0 from 234 and we're left with 234.
Fetch the next digit (5) from the dividend, attach it to 234 and continue: 2345 / 871

Going ahead to step 7:
2345 divided by 871 is 2 with a remainder of 603.
Record the quotient 2 as the next digit in the result. 
Result so far: 1602.0
The remainder is 603 after subtracting 1742 from 2345.
Include the next digit (3) from the dividend after 603, then repeat: 6033 / 871

Going ahead to step 8:
871 can be fit into 6033 6 times, resulting in a remainder of 807.
The number 6 becomes the next digit in our result. 
Result so far: 16026.0
If we subtract 5226 from 6033, we get 807.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8070, and continue the process.

On to step 9:
If we divide 8070 by 871, we get 9 and a remainder of 231.
Put 9 as the next digit of the answer. 
Result so far: 16026.9
The remainder is 231 after subtracting 7839 from 8070.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2310, and continue the process.

On to step 10:
If we divide 2310 by 871, we get 2 and a remainder of 568.
Put 2 as the next digit of the answer. 
Result so far: 16026.92
If we take 1742 away from 2310, we end up with 568.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5680, and continue the process.

Moving on to step 11:
871 can be fit into 5680 6 times, resulting in a remainder of 454.
Put 6 as the next digit of the answer. 
Result so far: 16026.926
If we take 5226 away from 5680, we end up with 454.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4540, and continue the process.

Advancing to step 12:
4540 divided by 871 is 5 with a remainder of 185.
Record the quotient 5 as the next digit in the result. 
Result so far: 16026.9265
If we subtract 4355 from 4540, we get 185.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1850, and continue the process.

Step 13:
1850 divided by 871 is 2 with a remainder of 108.
The next digit of our result is 2. 
Result so far: 16026.92652
If we subtract 1742 from 1850, we get 108.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1080, and continue the process.

On to step 14:
If we divide 1080 by 871, we get 1 and a remainder of 209.
Use 1 as the next digit of our solution. 
Result so far: 16026.926521
Deduct 871 from 1080 and we're left with 209.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2090, and continue the process.

Advancing to step 15:
871 can be fit into 2090 2 times, resulting in a remainder of 348.
Put 2 as the next digit of the answer. 
Result so far: 16026.9265212
If we take 1742 away from 2090, we end up with 348.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3480, and continue the process.

Step 16:
If we divide 3480 by 871, we get 3 and a remainder of 867.
The number 3 becomes the next digit in our result. 
Result so far: 16026.92652123
If we take 2613 away from 3480, we end up with 867.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8670, and continue the process.

Our division results in 16026.92652123 with a remaining 8.67e-07.