Let's divide 21074925 by 449
We're looking to find how many times 449 goes into 21074925.

Step 1:
449 goes into 2 0 times with a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 449

Step 2:
449 can be fit into 21 0 times, resulting in a remainder of 21.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 21 after subtracting 0 from 21.
Bring next digit (0) of the dividend behind the 21 and repeat the process: 210 / 449

Step 3:
When dividing 210 by 449, we get 0 with a remainder of 210.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 210, we end up with 210.
Take the next digit (7) from the dividend and append it to 210, then repeat: 2107 / 449

Going ahead to step 4:
449 can be fit into 2107 4 times, resulting in a remainder of 311.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
If we subtract 1796 from 2107, we get 311.
Append the next digit (4) from the dividend to 311 and continue with: 3114 / 449

On to step 5:
449 goes into 3114 6 times with a remainder of 420.
Record the quotient 6 as the next digit in the result. 
Result so far: 46.0
Deduct 2694 from 3114 and we're left with 420.
Append the next digit (9) from the dividend to 420 and continue with: 4209 / 449

Advancing to step 6:
4209 divided by 449 is 9 with a remainder of 168.
Put 9 as the next digit of the answer. 
Result so far: 469.0
If we take 4041 away from 4209, we end up with 168.
Include the next digit (2) from the dividend after 168, then repeat: 1682 / 449

Let's proceed to step 7:
449 can be fit into 1682 3 times, resulting in a remainder of 335.
Write down 3 as next digit of the result. 
Result so far: 4693.0
If we subtract 1347 from 1682, we get 335.
Fetch the next digit (5) from the dividend, attach it to 335 and continue: 3355 / 449

Step 8:
3355 divided by 449 is 7 with a remainder of 212.
Put 7 as the next digit of the answer. 
Result so far: 46937.0
If we subtract 3143 from 3355, we get 212.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2120, and continue the process.

Let's proceed to step 9:
449 goes into 2120 4 times with a remainder of 324.
Record the quotient 4 as the next digit in the result. 
Result so far: 46937.4
If we take 1796 away from 2120, we end up with 324.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3240, and continue the process.

Moving on to step 10:
3240 divided by 449 is 7 with a remainder of 97.
Write down 7 as next digit of the result. 
Result so far: 46937.47
Subtracting 3143 from 3240 leaves us 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 11:
If we divide 970 by 449, we get 2 and a remainder of 72.
Use 2 as the next digit of our solution. 
Result so far: 46937.472
If we subtract 898 from 970, we get 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Going ahead to step 12:
The number 449 fits into 720 1 times, leaving a remainder of 271.
Write down 1 as next digit of the result. 
Result so far: 46937.4721
The remainder is 271 after subtracting 449 from 720.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2710, and continue the process.

Let's proceed to step 13:
If we divide 2710 by 449, we get 6 and a remainder of 16.
The number 6 becomes the next digit in our result. 
Result so far: 46937.47216
If we take 2694 away from 2710, we end up with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Moving on to step 14:
When dividing 160 by 449, we get 0 with a remainder of 160.
Record the quotient 0 as the next digit in the result. 
Result so far: 46937.47216
Subtract 0 from 160 to get 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Going ahead to step 15:
449 can be fit into 1600 3 times, resulting in a remainder of 253.
Use 3 as the next digit of our solution. 
Result so far: 46937.4721603
If we subtract 1347 from 1600, we get 253.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2530, and continue the process.

Advancing to step 16:
449 goes into 2530 5 times with a remainder of 285.
Write down 5 as next digit of the result. 
Result so far: 46937.47216035
Subtract 2245 from 2530 to get 285.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2850, and continue the process.

The final outcome is 46937.47216035, with a leftover of 2.85e-07.