912756 divided by 81 
The aim is to understand the frequency of 81 in 912756.

Moving on to step 1:
81 goes into 9 0 times with a remainder of 9.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 9 to get 9.
Take the next digit (1) from the dividend and append it to 9, then repeat: 91 / 81

Let's proceed to step 2:
81 can be fit into 91 1 times, resulting in a remainder of 10.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 81 from 91, we get 10.
Bring next digit (2) of the dividend behind the 10 and repeat the process: 102 / 81

Step 3:
If we divide 102 by 81, we get 1 and a remainder of 21.
Write down 1 as next digit of the result. 
Result so far: 11.0
Subtracting 81 from 102 leaves us with 21.
Include the next digit (7) from the dividend after 21, then repeat: 217 / 81

Going ahead to step 4:
If we divide 217 by 81, we get 2 and a remainder of 55.
The next digit of our result is 2. 
Result so far: 112.0
The remainder is 55 after subtracting 162 from 217.
Grab the next digit (5) from the dividend, add it to 55, then carry on: 555 / 81

Step 5:
The number 81 fits into 555 6 times, leaving a remainder of 69.
Put 6 as the next digit of the answer. 
Result so far: 1126.0
The remainder is 69 after subtracting 486 from 555.
Include the next digit (6) from the dividend after 69, then repeat: 696 / 81

Advancing to step 6:
When dividing 696 by 81, we get 8 with a remainder of 48.
Record the quotient 8 as the next digit in the result. 
Result so far: 11268.0
Subtracting 648 from 696 leaves us with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Going ahead to step 7:
When dividing 480 by 81, we get 5 with a remainder of 75.
Record the quotient 5 as the next digit in the result. 
Result so far: 11268.5
Subtracting 405 from 480 leaves us with 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

On to step 8:
The number 81 fits into 750 9 times, leaving a remainder of 21.
The number 9 becomes the next digit in our result. 
Result so far: 11268.59
Deduct 729 from 750 and we're left 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.

Going ahead to step 9:
81 can be fit into 210 2 times, resulting in a remainder of 48.
The next digit of our result is 2. 
Result so far: 11268.592
Deduct 162 from 210 and we're left with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Let's proceed to step 10:
If we divide 480 by 81, we get 5 and a remainder of 75.
Record the quotient 5 as the next digit in the result. 
Result so far: 11268.5925
Subtracting 405 from 480 leaves us with 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Going ahead to step 11:
81 goes into 750 9 times with a remainder of 21.
Record the quotient 9 as the next digit in the result. 
Result so far: 11268.59259
Deduct 729 from 750 and we're left 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.

Going ahead to step 12:
If we divide 210 by 81, we get 2 and a remainder of 48.
Put 2 as the next digit of the answer. 
Result so far: 11268.592592
If we subtract 162 from 210, we get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Advancing to step 13:
If we divide 480 by 81, we get 5 and a remainder of 75.
The number 5 becomes the next digit in our result. 
Result so far: 11268.5925925
Subtracting 405 from 480 leaves us with 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Let's proceed to step 14:
81 goes into 750 9 times with a remainder of 21.
Put 9 as the next digit of the answer. 
Result so far: 11268.59259259
If we take 729 away from 750, we end up 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.

The final outcome is 11268.59259259, with a leftover of 2.1e-08.