51385517 ÷ 857 
We want to divide 51385517 by 857.

Advancing to step 1:
857 goes into 5 0 times with a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Grab the next digit (1) from the dividend, add it to 5, then carry on: 51 / 857

Going ahead to step 2:
The number 857 fits into 51 0 times, leaving a remainder of 51.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 51 to get 51.
Fetch the next digit (3) from the dividend, attach it to 51 and continue: 513 / 857

Step 3:
When dividing 513 by 857, we get 0 with a remainder of 513.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 513 after subtracting 0 from 513.
Fetch the next digit (8) from the dividend, attach it to 513 and continue: 5138 / 857

Advancing to step 4:
When dividing 5138 by 857, we get 5 with a remainder of 853.
Record the quotient 5 as the next digit in the result. 
Result so far: 5.0
Subtract 4285 from 5138 to get 853.
Bring next digit (5) of the dividend behind the 853 and repeat the process: 8535 / 857

Step 5:
The number 857 fits into 8535 9 times, leaving a remainder of 822.
The next digit of our result is 9. 
Result so far: 59.0
If we take 7713 away from 8535, we end up with 822.
Bring next digit (5) of the dividend behind the 822 and repeat the process: 8225 / 857

Going ahead to step 6:
8225 divided by 857 is 9 with a remainder of 512.
Use 9 as the next digit of our solution. 
Result so far: 599.0
Subtracting 7713 from 8225 leaves us with 512.
Append the next digit (1) from the dividend to 512 and continue with: 5121 / 857

Step 7:
857 goes into 5121 5 times with a remainder of 836.
Record the quotient 5 as the next digit in the result. 
Result so far: 5995.0
Subtracting 4285 from 5121 leaves us with 836.
Bring next digit (7) of the dividend behind the 836 and repeat the process: 8367 / 857

Going ahead to step 8:
857 goes into 8367 9 times with a remainder of 654.
The next digit of our result is 9. 
Result so far: 59959.0
Subtract 7713 from 8367 to get 654.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6540, and continue the process.

Step 9:
857 goes into 6540 7 times with a remainder of 541.
Record the quotient 7 as the next digit in the result. 
Result so far: 59959.7
If we take 5999 away from 6540, we end up with 541.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5410, and continue the process.

On to step 10:
If we divide 5410 by 857, we get 6 and a remainder of 268.
Put 6 as the next digit of the answer. 
Result so far: 59959.76
Deduct 5142 from 5410 and we're left with 268.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2680, and continue the process.

On to step 11:
2680 divided by 857 is 3 with a remainder of 109.
Put 3 as the next digit of the answer. 
Result so far: 59959.763
If we subtract 2571 from 2680, we get 109.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1090, and continue the process.

Step 12:
857 can be fit into 1090 1 times, resulting in a remainder of 233.
Use 1 as the next digit of our solution. 
Result so far: 59959.7631
Deduct 857 from 1090 and we're left with 233.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2330, and continue the process.

Let's proceed to step 13:
857 goes into 2330 2 times with a remainder of 616.
The number 2 becomes the next digit in our result. 
Result so far: 59959.76312
If we take 1714 away from 2330, we end up with 616.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6160, and continue the process.

Moving on to step 14:
When dividing 6160 by 857, we get 7 with a remainder of 161.
The number 7 becomes the next digit in our result. 
Result so far: 59959.763127
Subtract 5999 from 6160 to get 161.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1610, and continue the process.

Step 15:
857 goes into 1610 1 times with a remainder of 753.
Write down 1 as next digit of the result. 
Result so far: 59959.7631271
If we subtract 857 from 1610, we get 753.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7530, and continue the process.

Let's proceed to step 16:
7530 divided by 857 is 8 with a remainder of 674.
The number 8 becomes the next digit in our result. 
Result so far: 59959.76312718
Subtracting 6856 from 7530 leaves us with 674.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6740, and continue the process.

Our division results in 59959.76312718 with a remaining 6.74e-07.