We look at the division of 851918 by 91 
We want to figure out the number of times 851918 can be divided by 91.

On to step 1:
If we divide 8 by 91, we get 0 and a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Fetch the next digit (5) from the dividend, attach it to 8 and continue: 85 / 91

Advancing to step 2:
91 goes into 85 0 times with a remainder of 85.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 85 leaves us with 85.
Append the next digit (1) from the dividend to 85 and continue with: 851 / 91

Advancing to step 3:
If we divide 851 by 91, we get 9 and a remainder of 32.
Write down 9 as next digit of the result. 
Result so far: 9.0
Deduct 819 from 851 and we're left with 32.
Grab the next digit (9) from the dividend, add it to 32, then carry on: 329 / 91

On to step 4:
329 divided by 91 is 3 with a remainder of 56.
The next digit of our result is 3. 
Result so far: 93.0
Subtract 273 from 329 to get 56.
Include the next digit (1) from the dividend after 56, then repeat: 561 / 91

Let's proceed to step 5:
91 goes into 561 6 times with a remainder of 15.
Use 6 as the next digit of our solution. 
Result so far: 936.0
The remainder is 15 after subtracting 546 from 561.
Fetch the next digit (8) from the dividend, attach it to 15 and continue: 158 / 91

Going ahead to step 6:
The number 91 fits into 158 1 times, leaving a remainder of 67.
Write down 1 as next digit of the result. 
Result so far: 9361.0
Subtracting 91 from 158 leaves us with 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

On to step 7:
If we divide 670 by 91, we get 7 and a remainder of 33.
The next digit of our result is 7. 
Result so far: 9361.7
If we subtract 637 from 670, we get 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Step 8:
330 divided by 91 is 3 with a remainder of 57.
The number 3 becomes the next digit in our result. 
Result so far: 9361.73
If we subtract 273 from 330, we get 57.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

Let's proceed to step 9:
91 goes into 570 6 times with a remainder of 24.
Use 6 as the next digit of our solution. 
Result so far: 9361.736
Deduct 546 from 570 and we're left with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Moving on to step 10:
The number 91 fits into 240 2 times, leaving a remainder of 58.
Write down 2 as next digit of the result. 
Result so far: 9361.7362
If we take 182 away from 240, we end up with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Step 11:
The number 91 fits into 580 6 times, leaving a remainder of 34.
Use 6 as the next digit of our solution. 
Result so far: 9361.73626
If we subtract 546 from 580, we get 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

On to step 12:
The number 91 fits into 340 3 times, leaving a remainder of 67.
Write down 3 as next digit of the result. 
Result so far: 9361.736263
If we take 273 away from 340, we end up with 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

On to step 13:
91 goes into 670 7 times with a remainder of 33.
The number 7 becomes the next digit in our result. 
Result so far: 9361.7362637
Subtracting 637 from 670 leaves us with 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

On to step 14:
91 can be fit into 330 3 times, resulting in a remainder of 57.
Write down 3 as next digit of the result. 
Result so far: 9361.73626373
Subtract 273 from 330 to get 57.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

The final outcome is 9361.73626373, with a leftover of 5.7e-08.