We're dividing 648469 by 12 
We want to divide 648469 by 12.

Moving on to step 1:
The number 12 fits into 6 0 times, leaving a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Grab the next digit (4) from the dividend, add it to 6, then carry on: 64 / 12

Let's proceed to step 2:
When dividing 64 by 12, we get 5 with a remainder of 4.
Write down 5 as next digit of the result. 
Result so far: 5.0
The remainder is 4 after subtracting 60 from 64.
Bring next digit (8) of the dividend behind the 4 and repeat the process: 48 / 12

Going ahead to step 3:
The number 12 fits into 48 4 times, leaving a remainder of 0.
Write down 4 as next digit of the result. 
Result so far: 54.0
Subtracting 48 from 48 leaves us with 0.
Include the next digit (4) from the dividend after 0, then repeat: 4 / 12

Let's proceed to step 4:
12 goes into 4 0 times with a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 540.0
Deduct 0 from 4 and we're left with 4.
Grab the next digit (6) from the dividend, add it to 4, then carry on: 46 / 12

Going ahead to step 5:
12 can be fit into 46 3 times, resulting in a remainder of 10.
Record the quotient 3 as the next digit in the result. 
Result so far: 5403.0
If we take 36 away from 46, we end up with 10.
Fetch the next digit (9) from the dividend, attach it to 10 and continue: 109 / 12

Going ahead to step 6:
109 divided by 12 is 9 with a remainder of 1.
Put 9 as the next digit of the answer. 
Result so far: 54039.0
If we take 108 away from 109, we end up with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 7:
The number 12 fits into 10 0 times, leaving a remainder of 10.
Use 0 as the next digit of our solution. 
Result so far: 54039.0
Subtracting 0 from 10 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 8:
The number 12 fits into 100 8 times, leaving a remainder of 4.
The number 8 becomes the next digit in our result. 
Result so far: 54039.08
Subtract 96 from 100 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 9:
If we divide 40 by 12, we get 3 and a remainder of 4.
Use 3 as the next digit of our solution. 
Result so far: 54039.083
If we take 36 away from 40, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Step 10:
12 can be fit into 40 3 times, resulting in a remainder of 4.
Write down 3 as next digit of the result. 
Result so far: 54039.0833
If we subtract 36 from 40, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

After the division, we end up with 54039.0833 and a remainder of 4e-05.