We're dividing 767348 by 81 
The aim is to understand the frequency of 81 in 767348.

On to step 1:
When dividing 7 by 81, we get 0 with a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Grab the next digit (6) from the dividend, add it to 7, then carry on: 76 / 81

On to step 2:
When dividing 76 by 81, we get 0 with a remainder of 76.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 76 and we're left with 76.
Include the next digit (7) from the dividend after 76, then repeat: 767 / 81

Advancing to step 3:
767 divided by 81 is 9 with a remainder of 38.
Put 9 as the next digit of the answer. 
Result so far: 9.0
If we take 729 away from 767, we end up with 38.
Append the next digit (3) from the dividend to 38 and continue with: 383 / 81

Going ahead to step 4:
383 divided by 81 is 4 with a remainder of 59.
Put 4 as the next digit of the answer. 
Result so far: 94.0
If we take 324 away from 383, we end up with 59.
Take the next digit (4) from the dividend and append it to 59, then repeat: 594 / 81

Moving on to step 5:
When dividing 594 by 81, we get 7 with a remainder of 27.
Record the quotient 7 as the next digit in the result. 
Result so far: 947.0
The remainder is 27 after subtracting 567 from 594.
Fetch the next digit (8) from the dividend, attach it to 27 and continue: 278 / 81

Moving on to step 6:
When dividing 278 by 81, we get 3 with a remainder of 35.
Put 3 as the next digit of the answer. 
Result so far: 9473.0
Subtract 243 from 278 to get 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

On to step 7:
81 goes into 350 4 times with a remainder of 26.
Write down 4 as next digit of the result. 
Result so far: 9473.4
If we subtract 324 from 350, we get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Step 8:
260 divided by 81 is 3 with a remainder of 17.
Record the quotient 3 as the next digit in the result. 
Result so far: 9473.43
Subtracting 243 from 260 leaves us with 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

On to step 9:
81 goes into 170 2 times with a remainder of 8.
The number 2 becomes the next digit in our result. 
Result so far: 9473.432
Deduct 162 from 170 and we're left with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Let's proceed to step 10:
When dividing 80 by 81, we get 0 with a remainder of 80.
The number 0 becomes the next digit in our result. 
Result so far: 9473.432
If we take 0 away from 80, we end up with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Step 11:
800 divided by 81 is 9 with a remainder of 71.
Use 9 as the next digit of our solution. 
Result so far: 9473.43209
Subtract 729 from 800 to get 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

Going ahead to step 12:
81 goes into 710 8 times with a remainder of 62.
Use 8 as the next digit of our solution. 
Result so far: 9473.432098
Subtract 648 from 710 to get 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Moving on to step 13:
81 goes into 620 7 times with a remainder of 53.
The number 7 becomes the next digit in our result. 
Result so far: 9473.4320987
If we take 567 away from 620, we end up with 53.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

Advancing to step 14:
When dividing 530 by 81, we get 6 with a remainder of 44.
Put 6 as the next digit of the answer. 
Result so far: 9473.43209876
Subtracting 486 from 530 leaves us with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

The final result is 9473.43209876 with a remainder of 4.4e-08.