Let's divide 93912825 by 91
The aim is to understand the frequency of 91 in 93912825.

Let's proceed to step 1:
If we divide 9 by 91, we get 0 and a remainder of 9.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 9 and we're left with 9.
Take the next digit (3) from the dividend and append it to 9, then repeat: 93 / 91

Advancing to step 2:
The number 91 fits into 93 1 times, leaving a remainder of 2.
Put 1 as the next digit of the answer. 
Result so far: 1.0
The remainder is 2 after subtracting 91 from 93.
Include the next digit (9) from the dividend after 2, then repeat: 29 / 91

On to step 3:
29 divided by 91 is 0 with a remainder of 29.
Record the quotient 0 as the next digit in the result. 
Result so far: 10.0
If we subtract 0 from 29, we get 29.
Grab the next digit (1) from the dividend, add it to 29, then carry on: 291 / 91

Let's proceed to step 4:
When dividing 291 by 91, we get 3 with a remainder of 18.
Write down 3 as next digit of the result. 
Result so far: 103.0
If we take 273 away from 291, we end up with 18.
Include the next digit (2) from the dividend after 18, then repeat: 182 / 91

Advancing to step 5:
The number 91 fits into 182 2 times, leaving a remainder of 0.
Record the quotient 2 as the next digit in the result. 
Result so far: 1032.0
Subtracting 182 from 182 leaves us with 0.
Append the next digit (8) from the dividend to 0 and continue with: 8 / 91

Advancing to step 6:
91 goes into 8 0 times with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 10320.0
The remainder is 8 after subtracting 0 from 8.
Grab the next digit (2) from the dividend, add it to 8, then carry on: 82 / 91

Let's proceed to step 7:
If we divide 82 by 91, we get 0 and a remainder of 82.
Record the quotient 0 as the next digit in the result. 
Result so far: 103200.0
If we take 0 away from 82, we end up with 82.
Include the next digit (5) from the dividend after 82, then repeat: 825 / 91

Moving on to step 8:
When dividing 825 by 91, we get 9 with a remainder of 6.
Put 9 as the next digit of the answer. 
Result so far: 1032009.0
Deduct 819 from 825 and we're left with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Moving on to step 9:
91 goes into 60 0 times with a remainder of 60.
Write down 0 as next digit of the result. 
Result so far: 1032009.0
If we take 0 away from 60, we end up 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.

Let's proceed to step 10:
91 can be fit into 600 6 times, resulting in a remainder of 54.
The number 6 becomes the next digit in our result. 
Result so far: 1032009.06
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.

Advancing to step 11:
If we divide 540 by 91, we get 5 and a remainder of 85.
The next digit of our result is 5. 
Result so far: 1032009.065
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.

Step 12:
91 goes into 850 9 times with a remainder of 31.
The next digit of our result is 9. 
Result so far: 1032009.0659
Subtract 819 from 850 to get 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Advancing to step 13:
When dividing 310 by 91, we get 3 with a remainder of 37.
Record the quotient 3 as the next digit in the result. 
Result so far: 1032009.06593
Deduct 273 from 310 and we're left 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.

Let's proceed to step 14:
370 divided by 91 is 4 with a remainder of 6.
The next digit of our result is 4. 
Result so far: 1032009.065934
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.

Moving on to step 15:
60 divided by 91 is 0 with a remainder of 60.
Write down 0 as next digit of the result. 
Result so far: 1032009.065934
If we subtract 0 from 60, we get 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 16:
91 goes into 600 6 times with a remainder of 54.
The number 6 becomes the next digit in our result. 
Result so far: 1032009.06593406
If we subtract 546 from 600, we 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.

The final outcome is 1032009.06593406, with a leftover of 5.4e-08.