We look at the division of 913309 by 51 
We want to divide 913309 by 51.

On to step 1:
The number 51 fits into 9 0 times, leaving a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 9 to get 9.
Take the next digit (1) from the dividend and append it to 9, then repeat: 91 / 51

On to step 2:
The number 51 fits into 91 1 times, leaving a remainder of 40.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we take 51 away from 91, we end up with 40.
Bring next digit (3) of the dividend behind the 40 and repeat the process: 403 / 51

Going ahead to step 3:
51 goes into 403 7 times with a remainder of 46.
Record the quotient 7 as the next digit in the result. 
Result so far: 17.0
Subtract 357 from 403 to get 46.
Bring next digit (3) of the dividend behind the 46 and repeat the process: 463 / 51

Moving on to step 4:
If we divide 463 by 51, we get 9 and a remainder of 4.
Use 9 as the next digit of our solution. 
Result so far: 179.0
Deduct 459 from 463 and we're left with 4.
Include the next digit (0) from the dividend after 4, then repeat: 40 / 51

Going ahead to step 5:
51 goes into 40 0 times with a remainder of 40.
The number 0 becomes the next digit in our result. 
Result so far: 1790.0
If we take 0 away from 40, we end up with 40.
Bring next digit (9) of the dividend behind the 40 and repeat the process: 409 / 51

Let's proceed to step 6:
51 goes into 409 8 times with a remainder of 1.
The number 8 becomes the next digit in our result. 
Result so far: 17908.0
Subtract 408 from 409 to get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

On to step 7:
51 goes into 10 0 times with a remainder of 10.
Use 0 as the next digit of our solution. 
Result so far: 17908.0
Subtract 0 from 10 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 8:
51 can be fit into 100 1 times, resulting in a remainder of 49.
The number 1 becomes the next digit in our result. 
Result so far: 17908.01
Subtract 51 from 100 to get 49.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

Moving on to step 9:
490 divided by 51 is 9 with a remainder of 31.
The next digit of our result is 9. 
Result so far: 17908.019
Subtracting 459 from 490 leaves us with 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Moving on to step 10:
The number 51 fits into 310 6 times, leaving a remainder of 4.
Use 6 as the next digit of our solution. 
Result so far: 17908.0196
Subtracting 306 from 310 leaves us 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.

Let's proceed to step 11:
51 can be fit into 40 0 times, resulting in a remainder of 40.
Record the quotient 0 as the next digit in the result. 
Result so far: 17908.0196
Subtract 0 from 40 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 12:
400 divided by 51 is 7 with a remainder of 43.
Put 7 as the next digit of the answer. 
Result so far: 17908.019607
If we subtract 357 from 400, we get 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Let's proceed to step 13:
The number 51 fits into 430 8 times, leaving a remainder of 22.
The next digit of our result is 8. 
Result so far: 17908.0196078
If we subtract 408 from 430, we get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Step 14:
When dividing 220 by 51, we get 4 with a remainder of 16.
The number 4 becomes the next digit in our result. 
Result so far: 17908.01960784
Subtract 204 from 220 to get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

The final result is 17908.01960784 with a remainder of 1.6e-08.