We look at the division of 947067 by 81 
The aim is to understand the frequency of 81 in 947067.

Step 1:
The number 81 fits into 9 0 times, leaving a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 9, we end up with 9.
Include the next digit (4) from the dividend after 9, then repeat: 94 / 81

Advancing to step 2:
81 can be fit into 94 1 times, resulting in a remainder of 13.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
The remainder is 13 after subtracting 81 from 94.
Append the next digit (7) from the dividend to 13 and continue with: 137 / 81

Advancing to step 3:
The number 81 fits into 137 1 times, leaving a remainder of 56.
Record the quotient 1 as the next digit in the result. 
Result so far: 11.0
If we subtract 81 from 137, we get 56.
Fetch the next digit (0) from the dividend, attach it to 56 and continue: 560 / 81

Advancing to step 4:
If we divide 560 by 81, we get 6 and a remainder of 74.
Use 6 as the next digit of our solution. 
Result so far: 116.0
The remainder is 74 after subtracting 486 from 560.
Append the next digit (6) from the dividend to 74 and continue with: 746 / 81

Let's proceed to step 5:
81 goes into 746 9 times with a remainder of 17.
Put 9 as the next digit of the answer. 
Result so far: 1169.0
If we subtract 729 from 746, we get 17.
Take the next digit (7) from the dividend and append it to 17, then repeat: 177 / 81

Step 6:
177 divided by 81 is 2 with a remainder of 15.
The number 2 becomes the next digit in our result. 
Result so far: 11692.0
If we subtract 162 from 177, we get 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

On to step 7:
If we divide 150 by 81, we get 1 and a remainder of 69.
The next digit of our result is 1. 
Result so far: 11692.1
If we subtract 81 from 150, we get 69.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

Step 8:
The number 81 fits into 690 8 times, leaving a remainder of 42.
Write down 8 as next digit of the result. 
Result so far: 11692.18
Deduct 648 from 690 and we're left with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

On to step 9:
81 goes into 420 5 times with a remainder of 15.
Write down 5 as next digit of the result. 
Result so far: 11692.185
The remainder is 15 after subtracting 405 from 420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Moving on to step 10:
81 goes into 150 1 times with a remainder of 69.
Write down 1 as next digit of the result. 
Result so far: 11692.1851
Subtracting 81 from 150 leaves us with 69.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

Going ahead to step 11:
690 divided by 81 is 8 with a remainder of 42.
The next digit of our result is 8. 
Result so far: 11692.18518
Subtracting 648 from 690 leaves us with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Advancing to step 12:
81 can be fit into 420 5 times, resulting in a remainder of 15.
Use 5 as the next digit of our solution. 
Result so far: 11692.185185
Deduct 405 from 420 and we're left with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Going ahead to step 13:
The number 81 fits into 150 1 times, leaving a remainder of 69.
Use 1 as the next digit of our solution. 
Result so far: 11692.1851851
Deduct 81 from 150 and we're left with 69.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

On to step 14:
81 can be fit into 690 8 times, resulting in a remainder of 42.
The next digit of our result is 8. 
Result so far: 11692.18518518
Subtract 648 from 690 to get 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Our division results in 11692.18518518 with a remaining 4.2e-08.