We look at the division of 64874 by 12 
The aim is to understand the frequency of 12 in 64874.

Advancing to step 1:
12 can be fit into 6 0 times, resulting in a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Include the next digit (4) from the dividend after 6, then repeat: 64 / 12

Step 2:
The number 12 fits into 64 5 times, leaving a remainder of 4.
The next digit of our result is 5. 
Result so far: 5.0
Deduct 60 from 64 and we're left with 4.
Include the next digit (8) from the dividend after 4, then repeat: 48 / 12

On to step 3:
When dividing 48 by 12, we get 4 with a remainder of 0.
Put 4 as the next digit of the answer. 
Result so far: 54.0
If we subtract 48 from 48, we get 0.
Grab the next digit (7) from the dividend, add it to 0, then carry on: 7 / 12

Going ahead to step 4:
12 can be fit into 7 0 times, resulting in a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 540.0
Subtracting 0 from 7 leaves us with 7.
Fetch the next digit (4) from the dividend, attach it to 7 and continue: 74 / 12

Going ahead to step 5:
12 goes into 74 6 times with a remainder of 2.
The next digit of our result is 6. 
Result so far: 5406.0
If we subtract 72 from 74, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Let's proceed to step 6:
12 can be fit into 20 1 times, resulting in a remainder of 8.
Record the quotient 1 as the next digit in the result. 
Result so far: 5406.1
The remainder is 8 after subtracting 12 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Step 7:
When dividing 80 by 12, we get 6 with a remainder of 8.
The number 6 becomes the next digit in our result. 
Result so far: 5406.16
Deduct 72 from 80 and we're left 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.

Moving on to step 8:
12 goes into 80 6 times with a remainder of 8.
The next digit of our result is 6. 
Result so far: 5406.166
If we subtract 72 from 80, we 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.

After the division, we end up with 5406.166 and a remainder of 0.0008.