851606 divided by 51 
Our goal is to divide 851606 by 51.

On to step 1:
8 divided by 51 is 0 with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Take the next digit (5) from the dividend and append it to 8, then repeat: 85 / 51

Let's proceed to step 2:
If we divide 85 by 51, we get 1 and a remainder of 34.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
The remainder is 34 after subtracting 51 from 85.
Include the next digit (1) from the dividend after 34, then repeat: 341 / 51

Moving on to step 3:
51 can be fit into 341 6 times, resulting in a remainder of 35.
Record the quotient 6 as the next digit in the result. 
Result so far: 16.0
Subtracting 306 from 341 leaves us with 35.
Grab the next digit (6) from the dividend, add it to 35, then carry on: 356 / 51

Step 4:
The number 51 fits into 356 6 times, leaving a remainder of 50.
The next digit of our result is 6. 
Result so far: 166.0
Deduct 306 from 356 and we're left with 50.
Grab the next digit (0) from the dividend, add it to 50, then carry on: 500 / 51

Advancing to step 5:
500 divided by 51 is 9 with a remainder of 41.
Write down 9 as next digit of the result. 
Result so far: 1669.0
Subtract 459 from 500 to get 41.
Take the next digit (6) from the dividend and append it to 41, then repeat: 416 / 51

Advancing to step 6:
51 goes into 416 8 times with a remainder of 8.
Use 8 as the next digit of our solution. 
Result so far: 16698.0
If we take 408 away from 416, we end up with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Moving on to step 7:
If we divide 80 by 51, we get 1 and a remainder of 29.
Record the quotient 1 as the next digit in the result. 
Result so far: 16698.1
If we take 51 away from 80, we end up with 29.
Since there are no more digits in the dividend, we add a zero to the remainder making it 290, and continue the process.

Step 8:
The number 51 fits into 290 5 times, leaving a remainder of 35.
Use 5 as the next digit of our solution. 
Result so far: 16698.15
The remainder is 35 after subtracting 255 from 290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Step 9:
51 goes into 350 6 times with a remainder of 44.
The next digit of our result is 6. 
Result so far: 16698.156
Deduct 306 from 350 and we're left with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

On to step 10:
51 can be fit into 440 8 times, resulting in a remainder of 32.
Record the quotient 8 as the next digit in the result. 
Result so far: 16698.1568
If we take 408 away from 440, we end up with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Let's proceed to step 11:
320 divided by 51 is 6 with a remainder of 14.
The next digit of our result is 6. 
Result so far: 16698.15686
If we subtract 306 from 320, we get 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Going ahead to step 12:
The number 51 fits into 140 2 times, leaving a remainder of 38.
Put 2 as the next digit of the answer. 
Result so far: 16698.156862
Subtract 102 from 140 to get 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Moving on to step 13:
51 goes into 380 7 times with a remainder of 23.
Put 7 as the next digit of the answer. 
Result so far: 16698.1568627
Deduct 357 from 380 and we're left with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Going ahead to step 14:
230 divided by 51 is 4 with a remainder of 26.
The next digit of our result is 4. 
Result so far: 16698.15686274
If we subtract 204 from 230, we get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

After the division, we end up with 16698.15686274 and a remainder of 2.6e-08.