We're dividing 580300 by 28 
The aim is to understand the frequency of 28 in 580300.

Let's proceed to step 1:
When dividing 5 by 28, we get 0 with a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Append the next digit (8) from the dividend to 5 and continue with: 58 / 28

Advancing to step 2:
If we divide 58 by 28, we get 2 and a remainder of 2.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
If we subtract 56 from 58, we get 2.
Bring next digit (0) of the dividend behind the 2 and repeat the process: 20 / 28

Moving on to step 3:
When dividing 20 by 28, we get 0 with a remainder of 20.
Put 0 as the next digit of the answer. 
Result so far: 20.0
The remainder is 20 after subtracting 0 from 20.
Grab the next digit (3) from the dividend, add it to 20, then carry on: 203 / 28

Going ahead to step 4:
When dividing 203 by 28, we get 7 with a remainder of 7.
The number 7 becomes the next digit in our result. 
Result so far: 207.0
Subtract 196 from 203 to get 7.
Append the next digit (0) from the dividend to 7 and continue with: 70 / 28

Advancing to step 5:
28 can be fit into 70 2 times, resulting in a remainder of 14.
The next digit of our result is 2. 
Result so far: 2072.0
Subtract 56 from 70 to get 14.
Include the next digit (0) from the dividend after 14, then repeat: 140 / 28

Let's proceed to step 6:
If we divide 140 by 28, we get 5 and a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 20725.0
Subtract 140 from 140 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.

Moving on to step 7:
If we divide 0 by 28, we get 0 and a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 20725.0
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 8:
28 can be fit into 0 0 times, resulting in a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 20725.0
If we subtract 0 from 0, 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.

Our division results in 20725.0 with a remaining 0.0.