We're dividing 899943 by 9 
The aim is to understand the frequency of 9 in 899943.

On to step 1:
9 goes into 8 0 times 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.
Include the next digit (9) from the dividend after 8, then repeat: 89 / 9

Moving on to step 2:
When dividing 89 by 9, we get 9 with a remainder of 8.
Write down 9 as next digit of the result. 
Result so far: 9.0
Subtract 81 from 89 to get 8.
Append the next digit (9) from the dividend to 8 and continue with: 89 / 9

Advancing to step 3:
9 can be fit into 89 9 times, resulting in a remainder of 8.
The next digit of our result is 9. 
Result so far: 99.0
If we subtract 81 from 89, we get 8.
Grab the next digit (9) from the dividend, add it to 8, then carry on: 89 / 9

Let's proceed to step 4:
9 goes into 89 9 times with a remainder of 8.
Record the quotient 9 as the next digit in the result. 
Result so far: 999.0
Subtract 81 from 89 to get 8.
Fetch the next digit (4) from the dividend, attach it to 8 and continue: 84 / 9

On to step 5:
84 divided by 9 is 9 with a remainder of 3.
Write down 9 as next digit of the result. 
Result so far: 9999.0
Deduct 81 from 84 and we're left with 3.
Fetch the next digit (3) from the dividend, attach it to 3 and continue: 33 / 9

Let's proceed to step 6:
33 divided by 9 is 3 with a remainder of 6.
The number 3 becomes the next digit in our result. 
Result so far: 99993.0
Deduct 27 from 33 and we're left with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 7:
60 divided by 9 is 6 with a remainder of 6.
The next digit of our result is 6. 
Result so far: 99993.6
The remainder is 6 after subtracting 54 from 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Advancing to step 8:
9 can be fit into 60 6 times, resulting in a remainder of 6.
Put 6 as the next digit of the answer. 
Result so far: 99993.66
Deduct 54 from 60 and we're left with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Our division results in 99993.66 with a remaining 0.006.