814851 divided by 9 
The aim is to understand the frequency of 9 in 814851.

Let's proceed to step 1:
The number 9 fits into 8 0 times, leaving a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Grab the next digit (1) from the dividend, add it to 8, then carry on: 81 / 9

On to step 2:
9 goes into 81 9 times with a remainder of 0.
Write down 9 as next digit of the result. 
Result so far: 9.0
Deduct 81 from 81 and we're left with 0.
Grab the next digit (4) from the dividend, add it to 0, then carry on: 4 / 9

On to step 3:
When dividing 4 by 9, we get 0 with a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 90.0
The remainder is 4 after subtracting 0 from 4.
Grab the next digit (8) from the dividend, add it to 4, then carry on: 48 / 9

On to step 4:
If we divide 48 by 9, we get 5 and a remainder of 3.
Use 5 as the next digit of our solution. 
Result so far: 905.0
Deduct 45 from 48 and we're left with 3.
Take the next digit (5) from the dividend and append it to 3, then repeat: 35 / 9

Step 5:
If we divide 35 by 9, we get 3 and a remainder of 8.
Put 3 as the next digit of the answer. 
Result so far: 9053.0
Deduct 27 from 35 and we're left with 8.
Append the next digit (1) from the dividend to 8 and continue with: 81 / 9

Step 6:
The number 9 fits into 81 9 times, leaving a remainder of 0.
The next digit of our result is 9. 
Result so far: 90539.0
Deduct 81 from 81 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 7:
0 divided by 9 is 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 90539.0
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 8:
When dividing 0 by 9, we get 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 90539.0
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

After the division, we end up with 90539.0 and a remainder of 0.0.