51951660 divided by 857 
We want to divide 51951660 by 857.

Step 1:
857 can be fit into 5 0 times, resulting in a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Include the next digit (1) from the dividend after 5, then repeat: 51 / 857

On to step 2:
When dividing 51 by 857, we get 0 with a remainder of 51.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 51 and we're left with 51.
Take the next digit (9) from the dividend and append it to 51, then repeat: 519 / 857

On to step 3:
If we divide 519 by 857, we get 0 and a remainder of 519.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 519, we get 519.
Bring next digit (5) of the dividend behind the 519 and repeat the process: 5195 / 857

On to step 4:
The number 857 fits into 5195 6 times, leaving a remainder of 53.
The next digit of our result is 6. 
Result so far: 6.0
If we take 5142 away from 5195, we end up with 53.
Take the next digit (1) from the dividend and append it to 53, then repeat: 531 / 857

On to step 5:
The number 857 fits into 531 0 times, leaving a remainder of 531.
The next digit of our result is 0. 
Result so far: 60.0
The remainder is 531 after subtracting 0 from 531.
Grab the next digit (6) from the dividend, add it to 531, then carry on: 5316 / 857

Advancing to step 6:
5316 divided by 857 is 6 with a remainder of 174.
Put 6 as the next digit of the answer. 
Result so far: 606.0
Subtracting 5142 from 5316 leaves us with 174.
Take the next digit (6) from the dividend and append it to 174, then repeat: 1746 / 857

Moving on to step 7:
1746 divided by 857 is 2 with a remainder of 32.
Record the quotient 2 as the next digit in the result. 
Result so far: 6062.0
The remainder is 32 after subtracting 1714 from 1746.
Include the next digit (0) from the dividend after 32, then repeat: 320 / 857

Let's proceed to step 8:
When dividing 320 by 857, we get 0 with a remainder of 320.
Record the quotient 0 as the next digit in the result. 
Result so far: 60620.0
If we subtract 0 from 320, we get 320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

Step 9:
857 goes into 3200 3 times with a remainder of 629.
The next digit of our result is 3. 
Result so far: 60620.3
If we subtract 2571 from 3200, we get 629.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6290, and continue the process.

On to step 10:
If we divide 6290 by 857, we get 7 and a remainder of 291.
Record the quotient 7 as the next digit in the result. 
Result so far: 60620.37
Subtract 5999 from 6290 to get 291.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2910, and continue the process.

Let's proceed to step 11:
2910 divided by 857 is 3 with a remainder of 339.
Record the quotient 3 as the next digit in the result. 
Result so far: 60620.373
Subtract 2571 from 2910 to get 339.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3390, and continue the process.

Let's proceed to step 12:
When dividing 3390 by 857, we get 3 with a remainder of 819.
Put 3 as the next digit of the answer. 
Result so far: 60620.3733
If we take 2571 away from 3390, we end up with 819.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8190, and continue the process.

The final outcome is 60620.3733, with a leftover of 0.00819.