728603 ÷ 12 
The aim is to understand the frequency of 12 in 728603.

Advancing to step 1:
12 can be fit into 7 0 times, resulting in a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Bring next digit (2) of the dividend behind the 7 and repeat the process: 72 / 12

Let's proceed to step 2:
12 can be fit into 72 6 times, resulting in a remainder of 0.
Put 6 as the next digit of the answer. 
Result so far: 6.0
Subtract 72 from 72 to get 0.
Bring next digit (8) of the dividend behind the 0 and repeat the process: 8 / 12

Going ahead to step 3:
12 goes into 8 0 times with a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 60.0
If we subtract 0 from 8, we get 8.
Take the next digit (6) from the dividend and append it to 8, then repeat: 86 / 12

Let's proceed to step 4:
12 goes into 86 7 times with a remainder of 2.
The next digit of our result is 7. 
Result so far: 607.0
Deduct 84 from 86 and we're left with 2.
Include the next digit (0) from the dividend after 2, then repeat: 20 / 12

Moving on to step 5:
20 divided by 12 is 1 with a remainder of 8.
Write down 1 as next digit of the result. 
Result so far: 6071.0
If we take 12 away from 20, we end up with 8.
Take the next digit (3) from the dividend and append it to 8, then repeat: 83 / 12

Step 6:
12 goes into 83 6 times with a remainder of 11.
Record the quotient 6 as the next digit in the result. 
Result so far: 60716.0
Deduct 72 from 83 and we're left with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Moving on to step 7:
When dividing 110 by 12, we get 9 with a remainder of 2.
The next digit of our result is 9. 
Result so far: 60716.9
The remainder is 2 after subtracting 108 from 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

On to step 8:
When dividing 20 by 12, we get 1 with a remainder of 8.
The number 1 becomes the next digit in our result. 
Result so far: 60716.91
If we take 12 away from 20, we end up with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

On to step 9:
When dividing 80 by 12, we get 6 with a remainder of 8.
Use 6 as the next digit of our solution. 
Result so far: 60716.916
Subtracting 72 from 80 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Step 10:
12 goes into 80 6 times with a remainder of 8.
Use 6 as the next digit of our solution. 
Result so far: 60716.9166
Subtract 72 from 80 to get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Our division results in 60716.9166 with a remaining 8e-05.