785518 ÷ 51 
We want to divide 785518 by 51.

Advancing to step 1:
51 goes into 7 0 times with a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Append the next digit (8) from the dividend to 7 and continue with: 78 / 51

Moving on to step 2:
If we divide 78 by 51, we get 1 and a remainder of 27.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we subtract 51 from 78, we get 27.
Fetch the next digit (5) from the dividend, attach it to 27 and continue: 275 / 51

Step 3:
If we divide 275 by 51, we get 5 and a remainder of 20.
Use 5 as the next digit of our solution. 
Result so far: 15.0
If we subtract 255 from 275, we get 20.
Take the next digit (5) from the dividend and append it to 20, then repeat: 205 / 51

Advancing to step 4:
When dividing 205 by 51, we get 4 with a remainder of 1.
Use 4 as the next digit of our solution. 
Result so far: 154.0
Deduct 204 from 205 and we're left with 1.
Bring next digit (1) of the dividend behind the 1 and repeat the process: 11 / 51

Going ahead to step 5:
If we divide 11 by 51, we get 0 and a remainder of 11.
Put 0 as the next digit of the answer. 
Result so far: 1540.0
Subtract 0 from 11 to get 11.
Bring next digit (8) of the dividend behind the 11 and repeat the process: 118 / 51

Moving on to step 6:
If we divide 118 by 51, we get 2 and a remainder of 16.
Use 2 as the next digit of our solution. 
Result so far: 15402.0
Subtract 102 from 118 to get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Step 7:
The number 51 fits into 160 3 times, leaving a remainder of 7.
Write down 3 as next digit of the result. 
Result so far: 15402.3
If we take 153 away from 160, we end up with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

On to step 8:
51 goes into 70 1 times with a remainder of 19.
Record the quotient 1 as the next digit in the result. 
Result so far: 15402.31
Subtracting 51 from 70 leaves us with 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Step 9:
51 can be fit into 190 3 times, resulting in a remainder of 37.
Record the quotient 3 as the next digit in the result. 
Result so far: 15402.313
Deduct 153 from 190 and we're left with 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

On to step 10:
51 goes into 370 7 times with a remainder of 13.
The next digit of our result is 7. 
Result so far: 15402.3137
If we take 357 away from 370, we end up with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Let's proceed to step 11:
51 goes into 130 2 times with a remainder of 28.
The number 2 becomes the next digit in our result. 
Result so far: 15402.31372
Subtracting 102 from 130 leaves us with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Advancing to step 12:
The number 51 fits into 280 5 times, leaving a remainder of 25.
Record the quotient 5 as the next digit in the result. 
Result so far: 15402.313725
Deduct 255 from 280 and we're left with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Going ahead to step 13:
The number 51 fits into 250 4 times, leaving a remainder of 46.
Write down 4 as next digit of the result. 
Result so far: 15402.3137254
If we take 204 away from 250, we end up with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Let's proceed to step 14:
If we divide 460 by 51, we get 9 and a remainder of 1.
Put 9 as the next digit of the answer. 
Result so far: 15402.31372549
If we take 459 away from 460, we end up with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

The final outcome is 15402.31372549, with a leftover of 1e-09.