We divide 415605 by 51
We want to divide 415605 by 51.

Step 1:
51 goes into 4 0 times with a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Append the next digit (1) from the dividend to 4 and continue with: 41 / 51

Step 2:
The number 51 fits into 41 0 times, leaving a remainder of 41.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 41 and we're left with 41.
Include the next digit (5) from the dividend after 41, then repeat: 415 / 51

On to step 3:
The number 51 fits into 415 8 times, leaving a remainder of 7.
Record the quotient 8 as the next digit in the result. 
Result so far: 8.0
If we take 408 away from 415, we end up with 7.
Grab the next digit (6) from the dividend, add it to 7, then carry on: 76 / 51

Going ahead to step 4:
When dividing 76 by 51, we get 1 with a remainder of 25.
Write down 1 as next digit of the result. 
Result so far: 81.0
Subtracting 51 from 76 leaves us with 25.
Take the next digit (0) from the dividend and append it to 25, then repeat: 250 / 51

Advancing to step 5:
51 can be fit into 250 4 times, resulting in a remainder of 46.
The number 4 becomes the next digit in our result. 
Result so far: 814.0
Deduct 204 from 250 and we're left with 46.
Append the next digit (5) from the dividend to 46 and continue with: 465 / 51

Advancing to step 6:
465 divided by 51 is 9 with a remainder of 6.
Put 9 as the next digit of the answer. 
Result so far: 8149.0
The remainder is 6 after subtracting 459 from 465.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 7:
If we divide 60 by 51, we get 1 and a remainder of 9.
The next digit of our result is 1. 
Result so far: 8149.1
If we take 51 away from 60, we end up with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Step 8:
If we divide 90 by 51, we get 1 and a remainder of 39.
Record the quotient 1 as the next digit in the result. 
Result so far: 8149.11
If we subtract 51 from 90, we get 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

After the division, we end up with 8149.11 and a remainder of 0.039.