We're dividing 891672 by 91 
We want to figure out the number of times 891672 can be divided by 91.

On to step 1:
If we divide 8 by 91, we get 0 and a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Bring next digit (9) of the dividend behind the 8 and repeat the process: 89 / 91

Let's proceed to step 2:
If we divide 89 by 91, we get 0 and a remainder of 89.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 89 after subtracting 0 from 89.
Take the next digit (1) from the dividend and append it to 89, then repeat: 891 / 91

On to step 3:
If we divide 891 by 91, we get 9 and a remainder of 72.
The number 9 becomes the next digit in our result. 
Result so far: 9.0
If we take 819 away from 891, we end up with 72.
Fetch the next digit (6) from the dividend, attach it to 72 and continue: 726 / 91

Step 4:
91 can be fit into 726 7 times, resulting in a remainder of 89.
Record the quotient 7 as the next digit in the result. 
Result so far: 97.0
Subtracting 637 from 726 leaves us with 89.
Grab the next digit (7) from the dividend, add it to 89, then carry on: 897 / 91

On to step 5:
When dividing 897 by 91, we get 9 with a remainder of 78.
Write down 9 as next digit of the result. 
Result so far: 979.0
Subtracting 819 from 897 leaves us with 78.
Grab the next digit (2) from the dividend, add it to 78, then carry on: 782 / 91

Let's proceed to step 6:
When dividing 782 by 91, we get 8 with a remainder of 54.
Put 8 as the next digit of the answer. 
Result so far: 9798.0
Subtract 728 from 782 to get 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Advancing to step 7:
When dividing 540 by 91, we get 5 with a remainder of 85.
Put 5 as the next digit of the answer. 
Result so far: 9798.5
Deduct 455 from 540 and we're left with 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

Moving on to step 8:
91 can be fit into 850 9 times, resulting in a remainder of 31.
The number 9 becomes the next digit in our result. 
Result so far: 9798.59
Deduct 819 from 850 and we're left with 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Step 9:
If we divide 310 by 91, we get 3 and a remainder of 37.
The next digit of our result is 3. 
Result so far: 9798.593
Subtracting 273 from 310 leaves us 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.

Moving on to step 10:
When dividing 370 by 91, we get 4 with a remainder of 6.
Use 4 as the next digit of our solution. 
Result so far: 9798.5934
Subtract 364 from 370 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Let's proceed to step 11:
The number 91 fits into 60 0 times, leaving a remainder of 60.
Record the quotient 0 as the next digit in the result. 
Result so far: 9798.5934
Deduct 0 from 60 and we're left with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Step 12:
91 goes into 600 6 times with a remainder of 54.
Put 6 as the next digit of the answer. 
Result so far: 9798.593406
Subtracting 546 from 600 leaves us with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Going ahead to step 13:
91 can be fit into 540 5 times, resulting in a remainder of 85.
The next digit of our result is 5. 
Result so far: 9798.5934065
If we subtract 455 from 540, we get 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

Going ahead to step 14:
91 goes into 850 9 times with a remainder of 31.
Record the quotient 9 as the next digit in the result. 
Result so far: 9798.59340659
Subtracting 819 from 850 leaves us with 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

The final outcome is 9798.59340659, with a leftover of 3.1e-08.