We're dividing 21269964 by 413 
Let's see how many times 413 fits into 21269964.

Going ahead to step 1:
The number 413 fits into 2 0 times, leaving a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 413

Advancing to step 2:
21 divided by 413 is 0 with a remainder of 21.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 21 to get 21.
Append the next digit (2) from the dividend to 21 and continue with: 212 / 413

On to step 3:
413 goes into 212 0 times with a remainder of 212.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 212, we get 212.
Take the next digit (6) from the dividend and append it to 212, then repeat: 2126 / 413

Let's proceed to step 4:
The number 413 fits into 2126 5 times, leaving a remainder of 61.
The number 5 becomes the next digit in our result. 
Result so far: 5.0
If we subtract 2065 from 2126, we get 61.
Grab the next digit (9) from the dividend, add it to 61, then carry on: 619 / 413

On to step 5:
When dividing 619 by 413, we get 1 with a remainder of 206.
Put 1 as the next digit of the answer. 
Result so far: 51.0
Subtracting 413 from 619 leaves us with 206.
Append the next digit (9) from the dividend to 206 and continue with: 2069 / 413

Step 6:
When dividing 2069 by 413, we get 5 with a remainder of 4.
Record the quotient 5 as the next digit in the result. 
Result so far: 515.0
The remainder is 4 after subtracting 2065 from 2069.
Grab the next digit (6) from the dividend, add it to 4, then carry on: 46 / 413

Step 7:
46 divided by 413 is 0 with a remainder of 46.
The number 0 becomes the next digit in our result. 
Result so far: 5150.0
Deduct 0 from 46 and we're left with 46.
Include the next digit (4) from the dividend after 46, then repeat: 464 / 413

Going ahead to step 8:
413 can be fit into 464 1 times, resulting in a remainder of 51.
Put 1 as the next digit of the answer. 
Result so far: 51501.0
The remainder is 51 after subtracting 413 from 464.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

Moving on to step 9:
510 divided by 413 is 1 with a remainder of 97.
The number 1 becomes the next digit in our result. 
Result so far: 51501.1
If we take 413 away from 510, we end up with 97.
Since there are no more digits in the dividend, we add a zero to the remainder making it 970, and continue the process.

Moving on to step 10:
If we divide 970 by 413, we get 2 and a remainder of 144.
Write down 2 as next digit of the result. 
Result so far: 51501.12
Subtract 826 from 970 to get 144.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1440, and continue the process.

Moving on to step 11:
If we divide 1440 by 413, we get 3 and a remainder of 201.
Record the quotient 3 as the next digit in the result. 
Result so far: 51501.123
Subtracting 1239 from 1440 leaves us with 201.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2010, and continue the process.

Moving on to step 12:
2010 divided by 413 is 4 with a remainder of 358.
The next digit of our result is 4. 
Result so far: 51501.1234
Deduct 1652 from 2010 and we're left with 358.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3580, and continue the process.

Moving on to step 13:
3580 divided by 413 is 8 with a remainder of 276.
The next digit of our result is 8. 
Result so far: 51501.12348
The remainder is 276 after subtracting 3304 from 3580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2760, and continue the process.

Let's proceed to step 14:
The number 413 fits into 2760 6 times, leaving a remainder of 282.
The next digit of our result is 6. 
Result so far: 51501.123486
Subtract 2478 from 2760 to get 282.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2820, and continue the process.

Going ahead to step 15:
413 can be fit into 2820 6 times, resulting in a remainder of 342.
The next digit of our result is 6. 
Result so far: 51501.1234866
Subtracting 2478 from 2820 leaves us with 342.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3420, and continue the process.

After the division, we end up with 51501.1234866 and a remainder of 3.42e-06.