We're dividing 664764 by 51 
We want to divide 664764 by 51.

Let's proceed to step 1:
When dividing 6 by 51, we get 0 with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Append the next digit (6) from the dividend to 6 and continue with: 66 / 51

On to step 2:
When dividing 66 by 51, we get 1 with a remainder of 15.
The next digit of our result is 1. 
Result so far: 1.0
Subtracting 51 from 66 leaves us with 15.
Bring next digit (4) of the dividend behind the 15 and repeat the process: 154 / 51

On to step 3:
51 goes into 154 3 times with a remainder of 1.
Use 3 as the next digit of our solution. 
Result so far: 13.0
Subtracting 153 from 154 leaves us with 1.
Bring next digit (7) of the dividend behind the 1 and repeat the process: 17 / 51

Step 4:
17 divided by 51 is 0 with a remainder of 17.
The next digit of our result is 0. 
Result so far: 130.0
If we subtract 0 from 17, we get 17.
Include the next digit (6) from the dividend after 17, then repeat: 176 / 51

Moving on to step 5:
If we divide 176 by 51, we get 3 and a remainder of 23.
Put 3 as the next digit of the answer. 
Result so far: 1303.0
Subtracting 153 from 176 leaves us with 23.
Take the next digit (4) from the dividend and append it to 23, then repeat: 234 / 51

Advancing to step 6:
51 goes into 234 4 times with a remainder of 30.
Put 4 as the next digit of the answer. 
Result so far: 13034.0
If we subtract 204 from 234, we get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Advancing to step 7:
51 goes into 300 5 times with a remainder of 45.
Record the quotient 5 as the next digit in the result. 
Result so far: 13034.5
Subtracting 255 from 300 leaves us with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Advancing to step 8:
51 can be fit into 450 8 times, resulting in a remainder of 42.
Put 8 as the next digit of the answer. 
Result so far: 13034.58
The remainder is 42 after subtracting 408 from 450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Going ahead to step 9:
51 can be fit into 420 8 times, resulting in a remainder of 12.
Use 8 as the next digit of our solution. 
Result so far: 13034.588
Subtracting 408 from 420 leaves us with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

The quotient of the division is 13034.588, and the remainder is 0.0012.