721609 divided by 66 
Let's see how many times 66 fits into 721609.

Advancing to step 1:
The number 66 fits into 7 0 times, leaving a remainder of 7.
Record the quotient 0 as the next digit in the result. 
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 / 66

Let's proceed to step 2:
When dividing 72 by 66, we get 1 with a remainder of 6.
The next digit of our result is 1. 
Result so far: 1.0
The remainder is 6 after subtracting 66 from 72.
Append the next digit (1) from the dividend to 6 and continue with: 61 / 66

Moving on to step 3:
If we divide 61 by 66, we get 0 and a remainder of 61.
The next digit of our result is 0. 
Result so far: 10.0
Subtract 0 from 61 to get 61.
Include the next digit (6) from the dividend after 61, then repeat: 616 / 66

Advancing to step 4:
The number 66 fits into 616 9 times, leaving a remainder of 22.
The next digit of our result is 9. 
Result so far: 109.0
The remainder is 22 after subtracting 594 from 616.
Take the next digit (0) from the dividend and append it to 22, then repeat: 220 / 66

Advancing to step 5:
If we divide 220 by 66, we get 3 and a remainder of 22.
Put 3 as the next digit of the answer. 
Result so far: 1093.0
Subtract 198 from 220 to get 22.
Include the next digit (9) from the dividend after 22, then repeat: 229 / 66

Advancing to step 6:
If we divide 229 by 66, we get 3 and a remainder of 31.
Write down 3 as next digit of the result. 
Result so far: 10933.0
Subtract 198 from 229 to get 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

On to step 7:
The number 66 fits into 310 4 times, leaving a remainder of 46.
Use 4 as the next digit of our solution. 
Result so far: 10933.4
If we subtract 264 from 310, we get 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Moving on to step 8:
66 goes into 460 6 times with a remainder of 64.
Write down 6 as next digit of the result. 
Result so far: 10933.46
If we subtract 396 from 460, we get 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Going ahead to step 9:
640 divided by 66 is 9 with a remainder of 46.
Put 9 as the next digit of the answer. 
Result so far: 10933.469
Subtract 594 from 640 to get 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Advancing to step 10:
66 goes into 460 6 times with a remainder of 64.
Record the quotient 6 as the next digit in the result. 
Result so far: 10933.4696
The remainder is 64 after subtracting 396 from 460.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

On to step 11:
If we divide 640 by 66, we get 9 and a remainder of 46.
Record the quotient 9 as the next digit in the result. 
Result so far: 10933.46969
If we take 594 away from 640, we end up with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

On to step 12:
If we divide 460 by 66, we get 6 and a remainder of 64.
The number 6 becomes the next digit in our result. 
Result so far: 10933.469696
Subtracting 396 from 460 leaves us with 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

On to step 13:
640 divided by 66 is 9 with a remainder of 46.
Record the quotient 9 as the next digit in the result. 
Result so far: 10933.4696969
Subtract 594 from 640 to get 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

On to step 14:
66 goes into 460 6 times with a remainder of 64.
Write down 6 as next digit of the result. 
Result so far: 10933.46969696
If we subtract 396 from 460, we get 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

After the division, we end up with 10933.46969696 and a remainder of 6.4e-08.