We're dividing 116066 by 81 
The aim is to understand the frequency of 81 in 116066.

Advancing to step 1:
81 can be fit into 1 0 times, resulting in a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Grab the next digit (1) from the dividend, add it to 1, then carry on: 11 / 81

Advancing to step 2:
11 divided by 81 is 0 with a remainder of 11.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 11, we get 11.
Grab the next digit (6) from the dividend, add it to 11, then carry on: 116 / 81

On to step 3:
81 goes into 116 1 times with a remainder of 35.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 81 from 116, we get 35.
Include the next digit (0) from the dividend after 35, then repeat: 350 / 81

Step 4:
81 goes into 350 4 times with a remainder of 26.
Use 4 as the next digit of our solution. 
Result so far: 14.0
Subtract 324 from 350 to get 26.
Grab the next digit (6) from the dividend, add it to 26, then carry on: 266 / 81

Advancing to step 5:
81 goes into 266 3 times with a remainder of 23.
Record the quotient 3 as the next digit in the result. 
Result so far: 143.0
Subtracting 243 from 266 leaves us with 23.
Include the next digit (6) from the dividend after 23, then repeat: 236 / 81

Step 6:
81 goes into 236 2 times with a remainder of 74.
The number 2 becomes the next digit in our result. 
Result so far: 1432.0
Deduct 162 from 236 and we're left with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Step 7:
The number 81 fits into 740 9 times, leaving a remainder of 11.
Record the quotient 9 as the next digit in the result. 
Result so far: 1432.9
Subtract 729 from 740 to 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.

Going ahead to step 8:
If we divide 110 by 81, we get 1 and a remainder of 29.
Write down 1 as next digit of the result. 
Result so far: 1432.91
Subtract 81 from 110 to get 29.
Since there are no more digits in the dividend, we add a zero to the remainder making it 290, and continue the process.

Advancing to step 9:
290 divided by 81 is 3 with a remainder of 47.
Record the quotient 3 as the next digit in the result. 
Result so far: 1432.913
If we subtract 243 from 290, we get 47.
Since there are no more digits in the dividend, we add a zero to the remainder making it 470, and continue the process.

Advancing to step 10:
81 can be fit into 470 5 times, resulting in a remainder of 65.
The number 5 becomes the next digit in our result. 
Result so far: 1432.9135
Deduct 405 from 470 and we're left with 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Moving on to step 11:
81 can be fit into 650 8 times, resulting in a remainder of 2.
The number 8 becomes the next digit in our result. 
Result so far: 1432.91358
Subtracting 648 from 650 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 12:
81 goes into 20 0 times with a remainder of 20.
The next digit of our result is 0. 
Result so far: 1432.91358
Deduct 0 from 20 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Moving on to step 13:
The number 81 fits into 200 2 times, leaving a remainder of 38.
Record the quotient 2 as the next digit in the result. 
Result so far: 1432.9135802
Subtract 162 from 200 to get 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Going ahead to step 14:
81 goes into 380 4 times with a remainder of 56.
The next digit of our result is 4. 
Result so far: 1432.91358024
Subtracting 324 from 380 leaves us with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

In conclusion, the division gives 1432.91358024 with a balance of 5.6e-08.