Let's divide 991866 by 91
We want to divide 991866 by 91.

On to step 1:
91 can be fit into 9 0 times, resulting in a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 9, we end up with 9.
Bring next digit (9) of the dividend behind the 9 and repeat the process: 99 / 91

Step 2:
91 can be fit into 99 1 times, resulting in a remainder of 8.
Put 1 as the next digit of the answer. 
Result so far: 1.0
The remainder is 8 after subtracting 91 from 99.
Include the next digit (1) from the dividend after 8, then repeat: 81 / 91

Step 3:
91 can be fit into 81 0 times, resulting in a remainder of 81.
The next digit of our result is 0. 
Result so far: 10.0
If we take 0 away from 81, we end up with 81.
Grab the next digit (8) from the dividend, add it to 81, then carry on: 818 / 91

Moving on to step 4:
If we divide 818 by 91, we get 8 and a remainder of 90.
The next digit of our result is 8. 
Result so far: 108.0
Deduct 728 from 818 and we're left with 90.
Fetch the next digit (6) from the dividend, attach it to 90 and continue: 906 / 91

Advancing to step 5:
91 goes into 906 9 times with a remainder of 87.
Write down 9 as next digit of the result. 
Result so far: 1089.0
The remainder is 87 after subtracting 819 from 906.
Include the next digit (6) from the dividend after 87, then repeat: 876 / 91

Advancing to step 6:
If we divide 876 by 91, we get 9 and a remainder of 57.
The number 9 becomes the next digit in our result. 
Result so far: 10899.0
If we take 819 away from 876, we end up with 57.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

Step 7:
If we divide 570 by 91, we get 6 and a remainder of 24.
Put 6 as the next digit of the answer. 
Result so far: 10899.6
If we subtract 546 from 570, 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.

Let's proceed to step 8:
The number 91 fits into 240 2 times, leaving a remainder of 58.
The number 2 becomes the next digit in our result. 
Result so far: 10899.62
Subtract 182 from 240 to get 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 9:
91 goes into 580 6 times with a remainder of 34.
Use 6 as the next digit of our solution. 
Result so far: 10899.626
The remainder is 34 after subtracting 546 from 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Let's proceed to step 10:
91 goes into 340 3 times with a remainder of 67.
Write down 3 as next digit of the result. 
Result so far: 10899.6263
Subtracting 273 from 340 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.

Step 11:
91 can be fit into 670 7 times, resulting in a remainder of 33.
Record the quotient 7 as the next digit in the result. 
Result so far: 10899.62637
Deduct 637 from 670 and we're left 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.

Going ahead to step 12:
The number 91 fits into 330 3 times, leaving a remainder of 57.
Use 3 as the next digit of our solution. 
Result so far: 10899.626373
Subtracting 273 from 330 leaves us with 57.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

Step 13:
If we divide 570 by 91, we get 6 and a remainder of 24.
Write down 6 as next digit of the result. 
Result so far: 10899.6263736
Subtract 546 from 570 to 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.

Going ahead to step 14:
When dividing 240 by 91, we get 2 with a remainder of 58.
Write down 2 as next digit of the result. 
Result so far: 10899.62637362
Subtracting 182 from 240 leaves us 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.

The final result is 10899.62637362 with a remainder of 5.8e-08.