We're dividing 896422 by 91 
The aim is to understand the frequency of 91 in 896422.

Step 1:
When dividing 8 by 91, we get 0 with a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Bring next digit (9) of the dividend behind the 8 and repeat the process: 89 / 91

On to step 2:
If we divide 89 by 91, we get 0 and a remainder of 89.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 89 after subtracting 0 from 89.
Bring next digit (6) of the dividend behind the 89 and repeat the process: 896 / 91

On to step 3:
91 goes into 896 9 times with a remainder of 77.
Put 9 as the next digit of the answer. 
Result so far: 9.0
The remainder is 77 after subtracting 819 from 896.
Bring next digit (4) of the dividend behind the 77 and repeat the process: 774 / 91

On to step 4:
774 divided by 91 is 8 with a remainder of 46.
Write down 8 as next digit of the result. 
Result so far: 98.0
The remainder is 46 after subtracting 728 from 774.
Grab the next digit (2) from the dividend, add it to 46, then carry on: 462 / 91

On to step 5:
When dividing 462 by 91, we get 5 with a remainder of 7.
Write down 5 as next digit of the result. 
Result so far: 985.0
If we take 455 away from 462, we end up with 7.
Grab the next digit (2) from the dividend, add it to 7, then carry on: 72 / 91

Going ahead to step 6:
91 can be fit into 72 0 times, resulting in a remainder of 72.
The number 0 becomes the next digit in our result. 
Result so far: 9850.0
Subtracting 0 from 72 leaves us with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Advancing to step 7:
When dividing 720 by 91, we get 7 with a remainder of 83.
Put 7 as the next digit of the answer. 
Result so far: 9850.7
Subtract 637 from 720 to get 83.
Since there are no more digits in the dividend, we add a zero to the remainder making it 830, and continue the process.

Advancing to step 8:
When dividing 830 by 91, we get 9 with a remainder of 11.
The number 9 becomes the next digit in our result. 
Result so far: 9850.79
Subtracting 819 from 830 leaves us with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Let's proceed to step 9:
91 can be fit into 110 1 times, resulting in a remainder of 19.
Use 1 as the next digit of our solution. 
Result so far: 9850.791
If we subtract 91 from 110, we get 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Going ahead to step 10:
When dividing 190 by 91, we get 2 with a remainder of 8.
Write down 2 as next digit of the result. 
Result so far: 9850.7912
Deduct 182 from 190 and we're left with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Advancing to step 11:
91 can be fit into 80 0 times, resulting in a remainder of 80.
Write down 0 as next digit of the result. 
Result so far: 9850.7912
Subtracting 0 from 80 leaves us with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Step 12:
91 goes into 800 8 times with a remainder of 72.
The number 8 becomes the next digit in our result. 
Result so far: 9850.791208
The remainder is 72 after subtracting 728 from 800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Going ahead to step 13:
The number 91 fits into 720 7 times, leaving a remainder of 83.
Put 7 as the next digit of the answer. 
Result so far: 9850.7912087
If we subtract 637 from 720, we get 83.
Since there are no more digits in the dividend, we add a zero to the remainder making it 830, and continue the process.

Going ahead to step 14:
When dividing 830 by 91, we get 9 with a remainder of 11.
Use 9 as the next digit of our solution. 
Result so far: 9850.79120879
If we subtract 819 from 830, we get 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

The final outcome is 9850.79120879, with a leftover of 1.1e-08.