99909028 divided by 451 
Let's see how many times 451 fits into 99909028.

Advancing to step 1:
451 goes into 9 0 times with a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 9, we end up with 9.
Append the next digit (9) from the dividend to 9 and continue with: 99 / 451

Step 2:
When dividing 99 by 451, we get 0 with a remainder of 99.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 99, we end up with 99.
Include the next digit (9) from the dividend after 99, then repeat: 999 / 451

Step 3:
451 can be fit into 999 2 times, resulting in a remainder of 97.
Use 2 as the next digit of our solution. 
Result so far: 2.0
The remainder is 97 after subtracting 902 from 999.
Take the next digit (0) from the dividend and append it to 97, then repeat: 970 / 451

Let's proceed to step 4:
The number 451 fits into 970 2 times, leaving a remainder of 68.
Put 2 as the next digit of the answer. 
Result so far: 22.0
Deduct 902 from 970 and we're left with 68.
Append the next digit (9) from the dividend to 68 and continue with: 689 / 451

Let's proceed to step 5:
If we divide 689 by 451, we get 1 and a remainder of 238.
Put 1 as the next digit of the answer. 
Result so far: 221.0
The remainder is 238 after subtracting 451 from 689.
Include the next digit (0) from the dividend after 238, then repeat: 2380 / 451

On to step 6:
2380 divided by 451 is 5 with a remainder of 125.
Put 5 as the next digit of the answer. 
Result so far: 2215.0
Deduct 2255 from 2380 and we're left with 125.
Grab the next digit (2) from the dividend, add it to 125, then carry on: 1252 / 451

Going ahead to step 7:
When dividing 1252 by 451, we get 2 with a remainder of 350.
The number 2 becomes the next digit in our result. 
Result so far: 22152.0
The remainder is 350 after subtracting 902 from 1252.
Fetch the next digit (8) from the dividend, attach it to 350 and continue: 3508 / 451

Step 8:
If we divide 3508 by 451, we get 7 and a remainder of 351.
Put 7 as the next digit of the answer. 
Result so far: 221527.0
Subtract 3157 from 3508 to get 351.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3510, and continue the process.

Advancing to step 9:
451 goes into 3510 7 times with a remainder of 353.
Put 7 as the next digit of the answer. 
Result so far: 221527.7
If we take 3157 away from 3510, we end up with 353.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3530, and continue the process.

Going ahead to step 10:
If we divide 3530 by 451, we get 7 and a remainder of 373.
Write down 7 as next digit of the result. 
Result so far: 221527.77
If we subtract 3157 from 3530, we get 373.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3730, and continue the process.

The final result is 221527.77 with a remainder of 0.373.