We're dividing 811904 by 23 
The aim is to understand the frequency of 23 in 811904.

On to step 1:
The number 23 fits into 8 0 times, leaving 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.
Take the next digit (1) from the dividend and append it to 8, then repeat: 81 / 23

Moving on to step 2:
The number 23 fits into 81 3 times, leaving a remainder of 12.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Subtracting 69 from 81 leaves us with 12.
Grab the next digit (1) from the dividend, add it to 12, then carry on: 121 / 23

Going ahead to step 3:
121 divided by 23 is 5 with a remainder of 6.
The number 5 becomes the next digit in our result. 
Result so far: 35.0
Deduct 115 from 121 and we're left with 6.
Take the next digit (9) from the dividend and append it to 6, then repeat: 69 / 23

Advancing to step 4:
69 divided by 23 is 3 with a remainder of 0.
Put 3 as the next digit of the answer. 
Result so far: 353.0
The remainder is 0 after subtracting 69 from 69.
Bring next digit (0) of the dividend behind the 0 and repeat the process: 0 / 23

Advancing to step 5:
23 goes into 0 0 times with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 3530.0
Subtract 0 from 0 to get 0.
Bring next digit (4) of the dividend behind the 0 and repeat the process: 4 / 23

Going ahead to step 6:
4 divided by 23 is 0 with a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 35300.0
Subtracting 0 from 4 leaves us with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Advancing to step 7:
If we divide 40 by 23, we get 1 and a remainder of 17.
Write down 1 as next digit of the result. 
Result so far: 35300.1
If we subtract 23 from 40, we get 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Going ahead to step 8:
170 divided by 23 is 7 with a remainder of 9.
The number 7 becomes the next digit in our result. 
Result so far: 35300.17
If we take 161 away from 170, we end up with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

On to step 9:
23 can be fit into 90 3 times, resulting in a remainder of 21.
Record the quotient 3 as the next digit in the result. 
Result so far: 35300.173
Subtracting 69 from 90 leaves us with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

On to step 10:
23 goes into 210 9 times with a remainder of 3.
Put 9 as the next digit of the answer. 
Result so far: 35300.1739
Deduct 207 from 210 and we're left with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Let's proceed to step 11:
23 can be fit into 30 1 times, resulting in a remainder of 7.
Use 1 as the next digit of our solution. 
Result so far: 35300.17391
The remainder is 7 after subtracting 23 from 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Moving on to step 12:
70 divided by 23 is 3 with a remainder of 1.
Write down 3 as next digit of the result. 
Result so far: 35300.173913
Deduct 69 from 70 and we're left with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 13:
The number 23 fits into 10 0 times, leaving a remainder of 10.
Record the quotient 0 as the next digit in the result. 
Result so far: 35300.173913
Subtract 0 from 10 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 14:
If we divide 100 by 23, we get 4 and a remainder of 8.
Write down 4 as next digit of the result. 
Result so far: 35300.17391304
The remainder is 8 after subtracting 92 from 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

In conclusion, the division gives 35300.17391304 with a balance of 8e-09.