821039 ÷ 48 
We want to figure out the number of times 821039 can be divided by 48.

On to step 1:
The number 48 fits into 8 0 times, leaving a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Take the next digit (2) from the dividend and append it to 8, then repeat: 82 / 48

Moving on to step 2:
82 divided by 48 is 1 with a remainder of 34.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
The remainder is 34 after subtracting 48 from 82.
Bring next digit (1) of the dividend behind the 34 and repeat the process: 341 / 48

On to step 3:
341 divided by 48 is 7 with a remainder of 5.
Write down 7 as next digit of the result. 
Result so far: 17.0
Subtracting 336 from 341 leaves us with 5.
Fetch the next digit (0) from the dividend, attach it to 5 and continue: 50 / 48

On to step 4:
48 goes into 50 1 times with a remainder of 2.
Record the quotient 1 as the next digit in the result. 
Result so far: 171.0
Subtracting 48 from 50 leaves us with 2.
Include the next digit (3) from the dividend after 2, then repeat: 23 / 48

Going ahead to step 5:
48 goes into 23 0 times with a remainder of 23.
Use 0 as the next digit of our solution. 
Result so far: 1710.0
Deduct 0 from 23 and we're left with 23.
Fetch the next digit (9) from the dividend, attach it to 23 and continue: 239 / 48

Going ahead to step 6:
The number 48 fits into 239 4 times, leaving a remainder of 47.
Record the quotient 4 as the next digit in the result. 
Result so far: 17104.0
The remainder is 47 after subtracting 192 from 239.
Since there are no more digits in the dividend, we add a zero to the remainder making it 470, and continue the process.

Going ahead to step 7:
48 goes into 470 9 times with a remainder of 38.
The next digit of our result is 9. 
Result so far: 17104.9
If we subtract 432 from 470, we get 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Moving on to step 8:
48 can be fit into 380 7 times, resulting in a remainder of 44.
Write down 7 as next digit of the result. 
Result so far: 17104.97
If we subtract 336 from 380, we get 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Let's proceed to step 9:
The number 48 fits into 440 9 times, leaving a remainder of 8.
The number 9 becomes the next digit in our result. 
Result so far: 17104.979
Subtract 432 from 440 to get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Going ahead to step 10:
80 divided by 48 is 1 with a remainder of 32.
Use 1 as the next digit of our solution. 
Result so far: 17104.9791
Subtracting 48 from 80 leaves us with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Step 11:
If we divide 320 by 48, we get 6 and a remainder of 32.
Write down 6 as next digit of the result. 
Result so far: 17104.97916
Subtract 288 from 320 to get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

On to step 12:
48 goes into 320 6 times with a remainder of 32.
Put 6 as the next digit of the answer. 
Result so far: 17104.979166
Deduct 288 from 320 and we're left with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

The final result is 17104.979166 with a remainder of 3.2e-06.