We divide 921393 by 9
The aim is to understand the frequency of 9 in 921393.

Let's proceed to step 1:
9 can be fit into 9 1 times, resulting in a remainder of 0.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Deduct 9 from 9 and we're left with 0.
Bring next digit (2) of the dividend behind the 0 and repeat the process: 2 / 9

Going ahead to step 2:
When dividing 2 by 9, we get 0 with a remainder of 2.
The next digit of our result is 0. 
Result so far: 10.0
Subtracting 0 from 2 leaves us with 2.
Bring next digit (1) of the dividend behind the 2 and repeat the process: 21 / 9

Moving on to step 3:
If we divide 21 by 9, we get 2 and a remainder of 3.
Write down 2 as next digit of the result. 
Result so far: 102.0
The remainder is 3 after subtracting 18 from 21.
Grab the next digit (3) from the dividend, add it to 3, then carry on: 33 / 9

Advancing to step 4:
9 goes into 33 3 times with a remainder of 6.
Write down 3 as next digit of the result. 
Result so far: 1023.0
The remainder is 6 after subtracting 27 from 33.
Fetch the next digit (9) from the dividend, attach it to 6 and continue: 69 / 9

On to step 5:
69 divided by 9 is 7 with a remainder of 6.
Record the quotient 7 as the next digit in the result. 
Result so far: 10237.0
If we subtract 63 from 69, we get 6.
Append the next digit (3) from the dividend to 6 and continue with: 63 / 9

Step 6:
The number 9 fits into 63 7 times, leaving a remainder of 0.
Use 7 as the next digit of our solution. 
Result so far: 102377.0
If we take 63 away from 63, we end up 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.

Let's proceed to step 7:
9 can be fit into 0 0 times, resulting in a remainder of 0.
The next digit of our result is 0. 
Result so far: 102377.0
If we take 0 away from 0, we end up 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.

Step 8:
If we divide 0 by 9, we get 0 and a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 102377.0
Deduct 0 from 0 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.

After the division, we end up with 102377.0 and a remainder of 0.0.