We're dividing 96640503 by 904 
The aim is to understand the frequency of 904 in 96640503.

Advancing to step 1:
9 divided by 904 is 0 with a remainder of 9.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 9 leaves us with 9.
Bring next digit (6) of the dividend behind the 9 and repeat the process: 96 / 904

Step 2:
904 goes into 96 0 times with a remainder of 96.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 96 leaves us with 96.
Fetch the next digit (6) from the dividend, attach it to 96 and continue: 966 / 904

Let's proceed to step 3:
904 can be fit into 966 1 times, resulting in a remainder of 62.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Deduct 904 from 966 and we're left with 62.
Grab the next digit (4) from the dividend, add it to 62, then carry on: 624 / 904

Let's proceed to step 4:
624 divided by 904 is 0 with a remainder of 624.
Put 0 as the next digit of the answer. 
Result so far: 10.0
If we subtract 0 from 624, we get 624.
Grab the next digit (0) from the dividend, add it to 624, then carry on: 6240 / 904

Let's proceed to step 5:
6240 divided by 904 is 6 with a remainder of 816.
Write down 6 as next digit of the result. 
Result so far: 106.0
If we subtract 5424 from 6240, we get 816.
Fetch the next digit (5) from the dividend, attach it to 816 and continue: 8165 / 904

On to step 6:
If we divide 8165 by 904, we get 9 and a remainder of 29.
Put 9 as the next digit of the answer. 
Result so far: 1069.0
If we subtract 8136 from 8165, we get 29.
Take the next digit (0) from the dividend and append it to 29, then repeat: 290 / 904

Step 7:
If we divide 290 by 904, we get 0 and a remainder of 290.
Put 0 as the next digit of the answer. 
Result so far: 10690.0
Subtracting 0 from 290 leaves us with 290.
Fetch the next digit (3) from the dividend, attach it to 290 and continue: 2903 / 904

Going ahead to step 8:
The number 904 fits into 2903 3 times, leaving a remainder of 191.
Record the quotient 3 as the next digit in the result. 
Result so far: 106903.0
If we take 2712 away from 2903, we end up with 191.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1910, and continue the process.

Step 9:
The number 904 fits into 1910 2 times, leaving a remainder of 102.
Record the quotient 2 as the next digit in the result. 
Result so far: 106903.2
If we subtract 1808 from 1910, we get 102.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1020, and continue the process.

Step 10:
If we divide 1020 by 904, we get 1 and a remainder of 116.
Put 1 as the next digit of the answer. 
Result so far: 106903.21
Deduct 904 from 1020 and we're left with 116.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1160, and continue the process.

Let's proceed to step 11:
When dividing 1160 by 904, we get 1 with a remainder of 256.
Write down 1 as next digit of the result. 
Result so far: 106903.211
If we subtract 904 from 1160, we get 256.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2560, and continue the process.

The final outcome is 106903.211, with a leftover of 0.0256.