25202439 ÷ 904 
Our goal is to divide 25202439 by 904.

Moving on to step 1:
2 divided by 904 is 0 with a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Take the next digit (5) from the dividend and append it to 2, then repeat: 25 / 904

Moving on to step 2:
904 can be fit into 25 0 times, resulting in a remainder of 25.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 25 after subtracting 0 from 25.
Take the next digit (2) from the dividend and append it to 25, then repeat: 252 / 904

On to step 3:
904 can be fit into 252 0 times, resulting in a remainder of 252.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 252, we end up with 252.
Append the next digit (0) from the dividend to 252 and continue with: 2520 / 904

Moving on to step 4:
If we divide 2520 by 904, we get 2 and a remainder of 712.
Write down 2 as next digit of the result. 
Result so far: 2.0
Subtracting 1808 from 2520 leaves us with 712.
Include the next digit (2) from the dividend after 712, then repeat: 7122 / 904

Moving on to step 5:
904 goes into 7122 7 times with a remainder of 794.
Put 7 as the next digit of the answer. 
Result so far: 27.0
Deduct 6328 from 7122 and we're left with 794.
Fetch the next digit (4) from the dividend, attach it to 794 and continue: 7944 / 904

On to step 6:
If we divide 7944 by 904, we get 8 and a remainder of 712.
Write down 8 as next digit of the result. 
Result so far: 278.0
Subtracting 7232 from 7944 leaves us with 712.
Append the next digit (3) from the dividend to 712 and continue with: 7123 / 904

Step 7:
7123 divided by 904 is 7 with a remainder of 795.
Record the quotient 7 as the next digit in the result. 
Result so far: 2787.0
Subtract 6328 from 7123 to get 795.
Include the next digit (9) from the dividend after 795, then repeat: 7959 / 904

Step 8:
When dividing 7959 by 904, we get 8 with a remainder of 727.
The next digit of our result is 8. 
Result so far: 27878.0
Subtract 7232 from 7959 to get 727.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7270, and continue the process.

Step 9:
904 goes into 7270 8 times with a remainder of 38.
Write down 8 as next digit of the result. 
Result so far: 27878.8
Deduct 7232 from 7270 and we're left with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Going ahead to step 10:
The number 904 fits into 380 0 times, leaving a remainder of 380.
Put 0 as the next digit of the answer. 
Result so far: 27878.8
If we take 0 away from 380, we end up with 380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3800, and continue the process.

Step 11:
904 goes into 3800 4 times with a remainder of 184.
Record the quotient 4 as the next digit in the result. 
Result so far: 27878.804
The remainder is 184 after subtracting 3616 from 3800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1840, and continue the process.

Going ahead to step 12:
904 goes into 1840 2 times with a remainder of 32.
The number 2 becomes the next digit in our result. 
Result so far: 27878.8042
Subtract 1808 from 1840 to get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Advancing to step 13:
The number 904 fits into 320 0 times, leaving a remainder of 320.
Record the quotient 0 as the next digit in the result. 
Result so far: 27878.8042
Subtract 0 from 320 to 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.

Going ahead to step 14:
3200 divided by 904 is 3 with a remainder of 488.
The number 3 becomes the next digit in our result. 
Result so far: 27878.804203
Subtract 2712 from 3200 to get 488.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4880, and continue the process.

On to step 15:
When dividing 4880 by 904, we get 5 with a remainder of 360.
The next digit of our result is 5. 
Result so far: 27878.8042035
If we take 4520 away from 4880, we end up with 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3600, and continue the process.

Step 16:
The number 904 fits into 3600 3 times, leaving a remainder of 888.
Put 3 as the next digit of the answer. 
Result so far: 27878.80420353
Subtract 2712 from 3600 to get 888.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8880, and continue the process.

The final outcome is 27878.80420353, with a leftover of 8.88e-07.