We divide 54630080 by 449
We want to figure out the number of times 54630080 can be divided by 449.

Step 1:
449 goes into 5 0 times with a remainder of 5.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 5 to get 5.
Grab the next digit (4) from the dividend, add it to 5, then carry on: 54 / 449

Advancing to step 2:
449 can be fit into 54 0 times, resulting in a remainder of 54.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 54, we end up with 54.
Bring next digit (6) of the dividend behind the 54 and repeat the process: 546 / 449

Step 3:
546 divided by 449 is 1 with a remainder of 97.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 449 from 546 to get 97.
Fetch the next digit (3) from the dividend, attach it to 97 and continue: 973 / 449

Step 4:
The number 449 fits into 973 2 times, leaving a remainder of 75.
Write down 2 as next digit of the result. 
Result so far: 12.0
Subtracting 898 from 973 leaves us with 75.
Take the next digit (0) from the dividend and append it to 75, then repeat: 750 / 449

Moving on to step 5:
449 goes into 750 1 times with a remainder of 301.
Put 1 as the next digit of the answer. 
Result so far: 121.0
If we subtract 449 from 750, we get 301.
Fetch the next digit (0) from the dividend, attach it to 301 and continue: 3010 / 449

Step 6:
If we divide 3010 by 449, we get 6 and a remainder of 316.
Write down 6 as next digit of the result. 
Result so far: 1216.0
If we take 2694 away from 3010, we end up with 316.
Grab the next digit (8) from the dividend, add it to 316, then carry on: 3168 / 449

Moving on to step 7:
The number 449 fits into 3168 7 times, leaving a remainder of 25.
The number 7 becomes the next digit in our result. 
Result so far: 12167.0
If we take 3143 away from 3168, we end up with 25.
Fetch the next digit (0) from the dividend, attach it to 25 and continue: 250 / 449

Moving on to step 8:
449 can be fit into 250 0 times, resulting in a remainder of 250.
Use 0 as the next digit of our solution. 
Result so far: 121670.0
Deduct 0 from 250 and we're left with 250.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2500, and continue the process.

Step 9:
449 can be fit into 2500 5 times, resulting in a remainder of 255.
Use 5 as the next digit of our solution. 
Result so far: 121670.5
The remainder is 255 after subtracting 2245 from 2500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2550, and continue the process.

Advancing to step 10:
The number 449 fits into 2550 5 times, leaving a remainder of 305.
Record the quotient 5 as the next digit in the result. 
Result so far: 121670.55
Deduct 2245 from 2550 and we're left with 305.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3050, and continue the process.

After the division, we end up with 121670.55 and a remainder of 0.305.