We divide 834048 by 81
The aim is to understand the frequency of 81 in 834048.

Step 1:
When dividing 8 by 81, we get 0 with a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Fetch the next digit (3) from the dividend, attach it to 8 and continue: 83 / 81

On to step 2:
If we divide 83 by 81, we get 1 and a remainder of 2.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we subtract 81 from 83, we get 2.
Include the next digit (4) from the dividend after 2, then repeat: 24 / 81

Going ahead to step 3:
24 divided by 81 is 0 with a remainder of 24.
Record the quotient 0 as the next digit in the result. 
Result so far: 10.0
Subtracting 0 from 24 leaves us with 24.
Append the next digit (0) from the dividend to 24 and continue with: 240 / 81

Moving on to step 4:
When dividing 240 by 81, we get 2 with a remainder of 78.
Write down 2 as next digit of the result. 
Result so far: 102.0
Subtracting 162 from 240 leaves us with 78.
Take the next digit (4) from the dividend and append it to 78, then repeat: 784 / 81

Let's proceed to step 5:
784 divided by 81 is 9 with a remainder of 55.
Use 9 as the next digit of our solution. 
Result so far: 1029.0
If we take 729 away from 784, we end up with 55.
Take the next digit (8) from the dividend and append it to 55, then repeat: 558 / 81

Going ahead to step 6:
When dividing 558 by 81, we get 6 with a remainder of 72.
Use 6 as the next digit of our solution. 
Result so far: 10296.0
Subtracting 486 from 558 leaves us with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Let's proceed to step 7:
The number 81 fits into 720 8 times, leaving a remainder of 72.
The number 8 becomes the next digit in our result. 
Result so far: 10296.8
If we take 648 away from 720, we end up with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

On to step 8:
The number 81 fits into 720 8 times, leaving a remainder of 72.
Record the quotient 8 as the next digit in the result. 
Result so far: 10296.88
Subtracting 648 from 720 leaves us with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Our division results in 10296.88 with a remaining 0.072.