We look at the division of 668936 by 12 
We want to figure out the number of times 668936 can be divided by 12.

Let's proceed to step 1:
12 goes into 6 0 times with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Include the next digit (6) from the dividend after 6, then repeat: 66 / 12

On to step 2:
If we divide 66 by 12, we get 5 and a remainder of 6.
The next digit of our result is 5. 
Result so far: 5.0
Subtract 60 from 66 to get 6.
Fetch the next digit (8) from the dividend, attach it to 6 and continue: 68 / 12

Let's proceed to step 3:
68 divided by 12 is 5 with a remainder of 8.
Put 5 as the next digit of the answer. 
Result so far: 55.0
If we take 60 away from 68, we end up with 8.
Include the next digit (9) from the dividend after 8, then repeat: 89 / 12

Step 4:
The number 12 fits into 89 7 times, leaving a remainder of 5.
The next digit of our result is 7. 
Result so far: 557.0
If we subtract 84 from 89, we get 5.
Include the next digit (3) from the dividend after 5, then repeat: 53 / 12

Moving on to step 5:
The number 12 fits into 53 4 times, leaving a remainder of 5.
Record the quotient 4 as the next digit in the result. 
Result so far: 5574.0
The remainder is 5 after subtracting 48 from 53.
Bring next digit (6) of the dividend behind the 5 and repeat the process: 56 / 12

Advancing to step 6:
If we divide 56 by 12, we get 4 and a remainder of 8.
The number 4 becomes the next digit in our result. 
Result so far: 55744.0
Deduct 48 from 56 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.

On to step 7:
When dividing 80 by 12, we get 6 with a remainder of 8.
The next digit of our result is 6. 
Result so far: 55744.6
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:
80 divided by 12 is 6 with a remainder of 8.
The number 6 becomes the next digit in our result. 
Result so far: 55744.66
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.

In conclusion, the division gives 55744.66 with a balance of 0.008.