823557 divided by 28 
The aim is to understand the frequency of 28 in 823557.

Going ahead to step 1:
The number 28 fits into 8 0 times, leaving a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Append the next digit (2) from the dividend to 8 and continue with: 82 / 28

Step 2:
When dividing 82 by 28, we get 2 with a remainder of 26.
Write down 2 as next digit of the result. 
Result so far: 2.0
If we subtract 56 from 82, we get 26.
Bring next digit (3) of the dividend behind the 26 and repeat the process: 263 / 28

Moving on to step 3:
263 divided by 28 is 9 with a remainder of 11.
Record the quotient 9 as the next digit in the result. 
Result so far: 29.0
Subtracting 252 from 263 leaves us with 11.
Grab the next digit (5) from the dividend, add it to 11, then carry on: 115 / 28

Let's proceed to step 4:
When dividing 115 by 28, we get 4 with a remainder of 3.
Record the quotient 4 as the next digit in the result. 
Result so far: 294.0
The remainder is 3 after subtracting 112 from 115.
Bring next digit (5) of the dividend behind the 3 and repeat the process: 35 / 28

On to step 5:
When dividing 35 by 28, we get 1 with a remainder of 7.
Put 1 as the next digit of the answer. 
Result so far: 2941.0
Subtracting 28 from 35 leaves us with 7.
Include the next digit (7) from the dividend after 7, then repeat: 77 / 28

Step 6:
28 can be fit into 77 2 times, resulting in a remainder of 21.
Put 2 as the next digit of the answer. 
Result so far: 29412.0
Deduct 56 from 77 and we're left with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Going ahead to step 7:
When dividing 210 by 28, we get 7 with a remainder of 14.
Use 7 as the next digit of our solution. 
Result so far: 29412.7
If we take 196 away from 210, we end up with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Moving on to step 8:
If we divide 140 by 28, we get 5 and a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 29412.75
If we subtract 140 from 140, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 9:
0 divided by 28 is 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 29412.75
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 10:
0 divided by 28 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 29412.75
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Our division results in 29412.75 with a remaining 0.0.