817983 ÷ 51 
Let's see how many times 51 fits into 817983.

Moving on to step 1:
The number 51 fits into 8 0 times, leaving a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Grab the next digit (1) from the dividend, add it to 8, then carry on: 81 / 51

Step 2:
If we divide 81 by 51, we get 1 and a remainder of 30.
The next digit of our result is 1. 
Result so far: 1.0
Subtract 51 from 81 to get 30.
Grab the next digit (7) from the dividend, add it to 30, then carry on: 307 / 51

On to step 3:
If we divide 307 by 51, we get 6 and a remainder of 1.
Put 6 as the next digit of the answer. 
Result so far: 16.0
Subtract 306 from 307 to get 1.
Bring next digit (9) of the dividend behind the 1 and repeat the process: 19 / 51

Moving on to step 4:
When dividing 19 by 51, we get 0 with a remainder of 19.
The next digit of our result is 0. 
Result so far: 160.0
The remainder is 19 after subtracting 0 from 19.
Fetch the next digit (8) from the dividend, attach it to 19 and continue: 198 / 51

Advancing to step 5:
The number 51 fits into 198 3 times, leaving a remainder of 45.
The next digit of our result is 3. 
Result so far: 1603.0
If we subtract 153 from 198, we get 45.
Take the next digit (3) from the dividend and append it to 45, then repeat: 453 / 51

Let's proceed to step 6:
51 goes into 453 8 times with a remainder of 45.
Record the quotient 8 as the next digit in the result. 
Result so far: 16038.0
The remainder is 45 after subtracting 408 from 453.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

On to step 7:
If we divide 450 by 51, we get 8 and a remainder of 42.
The next digit of our result is 8. 
Result so far: 16038.8
Deduct 408 from 450 and we're left with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Let's proceed to step 8:
51 goes into 420 8 times with a remainder of 12.
Write down 8 as next digit of the result. 
Result so far: 16038.88
If we take 408 away from 420, we end up 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 final outcome is 16038.88, with a leftover of 0.012.