We're dividing 25140709 by 511 
We want to figure out the number of times 25140709 can be divided by 511.

Going ahead to step 1:
511 can be fit into 2 0 times, resulting in a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Take the next digit (5) from the dividend and append it to 2, then repeat: 25 / 511

Moving on to step 2:
When dividing 25 by 511, we get 0 with a remainder of 25.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 25 leaves us with 25.
Append the next digit (1) from the dividend to 25 and continue with: 251 / 511

Step 3:
251 divided by 511 is 0 with a remainder of 251.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 251, we end up with 251.
Fetch the next digit (4) from the dividend, attach it to 251 and continue: 2514 / 511

Step 4:
When dividing 2514 by 511, we get 4 with a remainder of 470.
Use 4 as the next digit of our solution. 
Result so far: 4.0
The remainder is 470 after subtracting 2044 from 2514.
Fetch the next digit (0) from the dividend, attach it to 470 and continue: 4700 / 511

On to step 5:
If we divide 4700 by 511, we get 9 and a remainder of 101.
Record the quotient 9 as the next digit in the result. 
Result so far: 49.0
The remainder is 101 after subtracting 4599 from 4700.
Fetch the next digit (7) from the dividend, attach it to 101 and continue: 1017 / 511

Moving on to step 6:
511 can be fit into 1017 1 times, resulting in a remainder of 506.
Record the quotient 1 as the next digit in the result. 
Result so far: 491.0
Deduct 511 from 1017 and we're left with 506.
Fetch the next digit (0) from the dividend, attach it to 506 and continue: 5060 / 511

Step 7:
If we divide 5060 by 511, we get 9 and a remainder of 461.
The next digit of our result is 9. 
Result so far: 4919.0
Subtracting 4599 from 5060 leaves us with 461.
Append the next digit (9) from the dividend to 461 and continue with: 4619 / 511

On to step 8:
If we divide 4619 by 511, we get 9 and a remainder of 20.
The number 9 becomes the next digit in our result. 
Result so far: 49199.0
If we subtract 4599 from 4619, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Going ahead to step 9:
When dividing 200 by 511, we get 0 with a remainder of 200.
Put 0 as the next digit of the answer. 
Result so far: 49199.0
Subtract 0 from 200 to get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

On to step 10:
2000 divided by 511 is 3 with a remainder of 467.
Write down 3 as next digit of the result. 
Result so far: 49199.03
If we take 1533 away from 2000, we end up with 467.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4670, and continue the process.

Let's proceed to step 11:
4670 divided by 511 is 9 with a remainder of 71.
Record the quotient 9 as the next digit in the result. 
Result so far: 49199.039
Subtract 4599 from 4670 to get 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

On to step 12:
If we divide 710 by 511, we get 1 and a remainder of 199.
Write down 1 as next digit of the result. 
Result so far: 49199.0391
If we take 511 away from 710, we end up with 199.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1990, and continue the process.

Moving on to step 13:
The number 511 fits into 1990 3 times, leaving a remainder of 457.
Record the quotient 3 as the next digit in the result. 
Result so far: 49199.03913
If we take 1533 away from 1990, we end up with 457.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4570, and continue the process.

Moving on to step 14:
The number 511 fits into 4570 8 times, leaving a remainder of 482.
Put 8 as the next digit of the answer. 
Result so far: 49199.039138
Deduct 4088 from 4570 and we're left with 482.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4820, and continue the process.

Let's proceed to step 15:
The number 511 fits into 4820 9 times, leaving a remainder of 221.
The next digit of our result is 9. 
Result so far: 49199.0391389
If we subtract 4599 from 4820, we get 221.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2210, and continue the process.

Moving on to step 16:
When dividing 2210 by 511, we get 4 with a remainder of 166.
Put 4 as the next digit of the answer. 
Result so far: 49199.03913894
Subtracting 2044 from 2210 leaves us with 166.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1660, and continue the process.

After the division, we end up with 49199.03913894 and a remainder of 1.66e-07.