Let's divide 275403 by 66
We want to divide 275403 by 66.

Going ahead to step 1:
If we divide 2 by 66, we get 0 and a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Append the next digit (7) from the dividend to 2 and continue with: 27 / 66

Step 2:
The number 66 fits into 27 0 times, leaving a remainder of 27.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 27, we get 27.
Include the next digit (5) from the dividend after 27, then repeat: 275 / 66

Advancing to step 3:
The number 66 fits into 275 4 times, leaving a remainder of 11.
The next digit of our result is 4. 
Result so far: 4.0
Deduct 264 from 275 and we're left with 11.
Fetch the next digit (4) from the dividend, attach it to 11 and continue: 114 / 66

Advancing to step 4:
The number 66 fits into 114 1 times, leaving a remainder of 48.
Put 1 as the next digit of the answer. 
Result so far: 41.0
Deduct 66 from 114 and we're left with 48.
Append the next digit (0) from the dividend to 48 and continue with: 480 / 66

Step 5:
When dividing 480 by 66, we get 7 with a remainder of 18.
The next digit of our result is 7. 
Result so far: 417.0
Deduct 462 from 480 and we're left with 18.
Fetch the next digit (3) from the dividend, attach it to 18 and continue: 183 / 66

Going ahead to step 6:
183 divided by 66 is 2 with a remainder of 51.
Put 2 as the next digit of the answer. 
Result so far: 4172.0
Deduct 132 from 183 and we're left with 51.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

Step 7:
If we divide 510 by 66, we get 7 and a remainder of 48.
The number 7 becomes the next digit in our result. 
Result so far: 4172.7
Subtract 462 from 510 to get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

On to step 8:
66 can be fit into 480 7 times, resulting in a remainder of 18.
Record the quotient 7 as the next digit in the result. 
Result so far: 4172.77
The remainder is 18 after subtracting 462 from 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

The final outcome is 4172.77, with a leftover of 0.018.