We look at the division of 68511 by 51 
We want to divide 68511 by 51.

Let's proceed to step 1:
If we divide 6 by 51, we get 0 and a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Take the next digit (8) from the dividend and append it to 6, then repeat: 68 / 51

Going ahead to step 2:
When dividing 68 by 51, we get 1 with a remainder of 17.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we take 51 away from 68, we end up with 17.
Include the next digit (5) from the dividend after 17, then repeat: 175 / 51

Moving on to step 3:
51 can be fit into 175 3 times, resulting in a remainder of 22.
Use 3 as the next digit of our solution. 
Result so far: 13.0
If we take 153 away from 175, we end up with 22.
Append the next digit (1) from the dividend to 22 and continue with: 221 / 51

Going ahead to step 4:
51 goes into 221 4 times with a remainder of 17.
Put 4 as the next digit of the answer. 
Result so far: 134.0
Deduct 204 from 221 and we're left with 17.
Append the next digit (1) from the dividend to 17 and continue with: 171 / 51

Step 5:
171 divided by 51 is 3 with a remainder of 18.
Use 3 as the next digit of our solution. 
Result so far: 1343.0
Subtracting 153 from 171 leaves us with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Step 6:
If we divide 180 by 51, we get 3 and a remainder of 27.
Record the quotient 3 as the next digit in the result. 
Result so far: 1343.3
If we subtract 153 from 180, we get 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Advancing to step 7:
51 can be fit into 270 5 times, resulting in a remainder of 15.
The number 5 becomes the next digit in our result. 
Result so far: 1343.35
The remainder is 15 after subtracting 255 from 270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Going ahead to step 8:
150 divided by 51 is 2 with a remainder of 48.
Write down 2 as next digit of the result. 
Result so far: 1343.352
If we take 102 away from 150, we end up with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Moving on to step 9:
The number 51 fits into 480 9 times, leaving a remainder of 21.
Use 9 as the next digit of our solution. 
Result so far: 1343.3529
Deduct 459 from 480 and we're left with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Step 10:
210 divided by 51 is 4 with a remainder of 6.
Put 4 as the next digit of the answer. 
Result so far: 1343.35294
Subtract 204 from 210 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

On to step 11:
The number 51 fits into 60 1 times, leaving a remainder of 9.
Record the quotient 1 as the next digit in the result. 
Result so far: 1343.352941
If we take 51 away from 60, we end up with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Going ahead to step 12:
51 can be fit into 90 1 times, resulting in a remainder of 39.
Record the quotient 1 as the next digit in the result. 
Result so far: 1343.3529411
If we subtract 51 from 90, we get 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

After the division, we end up with 1343.3529411 and a remainder of 3.9e-07.