28127990 divided by 486 
We want to divide 28127990 by 486.

Moving on to step 1:
486 goes into 2 0 times with a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Append the next digit (8) from the dividend to 2 and continue with: 28 / 486

On to step 2:
When dividing 28 by 486, we get 0 with a remainder of 28.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 28 leaves us with 28.
Include the next digit (1) from the dividend after 28, then repeat: 281 / 486

Going ahead to step 3:
486 can be fit into 281 0 times, resulting in a remainder of 281.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 281, we get 281.
Include the next digit (2) from the dividend after 281, then repeat: 2812 / 486

On to step 4:
486 can be fit into 2812 5 times, resulting in a remainder of 382.
Use 5 as the next digit of our solution. 
Result so far: 5.0
If we take 2430 away from 2812, we end up with 382.
Bring next digit (7) of the dividend behind the 382 and repeat the process: 3827 / 486

Step 5:
The number 486 fits into 3827 7 times, leaving a remainder of 425.
The next digit of our result is 7. 
Result so far: 57.0
If we take 3402 away from 3827, we end up with 425.
Grab the next digit (9) from the dividend, add it to 425, then carry on: 4259 / 486

Step 6:
486 can be fit into 4259 8 times, resulting in a remainder of 371.
Use 8 as the next digit of our solution. 
Result so far: 578.0
Subtract 3888 from 4259 to get 371.
Bring next digit (9) of the dividend behind the 371 and repeat the process: 3719 / 486

Step 7:
The number 486 fits into 3719 7 times, leaving a remainder of 317.
Record the quotient 7 as the next digit in the result. 
Result so far: 5787.0
Deduct 3402 from 3719 and we're left with 317.
Grab the next digit (0) from the dividend, add it to 317, then carry on: 3170 / 486

Let's proceed to step 8:
When dividing 3170 by 486, we get 6 with a remainder of 254.
The number 6 becomes the next digit in our result. 
Result so far: 57876.0
If we subtract 2916 from 3170, we get 254.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2540, and continue the process.

Going ahead to step 9:
When dividing 2540 by 486, we get 5 with a remainder of 110.
Record the quotient 5 as the next digit in the result. 
Result so far: 57876.5
If we subtract 2430 from 2540, we get 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Going ahead to step 10:
486 goes into 1100 2 times with a remainder of 128.
The next digit of our result is 2. 
Result so far: 57876.52
Deduct 972 from 1100 and we're left with 128.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

Going ahead to step 11:
1280 divided by 486 is 2 with a remainder of 308.
The number 2 becomes the next digit in our result. 
Result so far: 57876.522
If we subtract 972 from 1280, we get 308.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3080, and continue the process.

The final result is 57876.522 with a remainder of 0.0308.