We're dividing 209716 by 28 
The aim is to understand the frequency of 28 in 209716.

On to step 1:
28 goes into 2 0 times with a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Take the next digit (0) from the dividend and append it to 2, then repeat: 20 / 28

Step 2:
28 goes into 20 0 times with a remainder of 20.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 20 after subtracting 0 from 20.
Bring next digit (9) of the dividend behind the 20 and repeat the process: 209 / 28

Step 3:
When dividing 209 by 28, we get 7 with a remainder of 13.
Record the quotient 7 as the next digit in the result. 
Result so far: 7.0
Deduct 196 from 209 and we're left with 13.
Include the next digit (7) from the dividend after 13, then repeat: 137 / 28

Going ahead to step 4:
When dividing 137 by 28, we get 4 with a remainder of 25.
Record the quotient 4 as the next digit in the result. 
Result so far: 74.0
Subtracting 112 from 137 leaves us with 25.
Fetch the next digit (1) from the dividend, attach it to 25 and continue: 251 / 28

Let's proceed to step 5:
The number 28 fits into 251 8 times, leaving a remainder of 27.
The next digit of our result is 8. 
Result so far: 748.0
If we take 224 away from 251, we end up with 27.
Append the next digit (6) from the dividend to 27 and continue with: 276 / 28

On to step 6:
The number 28 fits into 276 9 times, leaving a remainder of 24.
Record the quotient 9 as the next digit in the result. 
Result so far: 7489.0
Subtracting 252 from 276 leaves us with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Moving on to step 7:
28 goes into 240 8 times with a remainder of 16.
Put 8 as the next digit of the answer. 
Result so far: 7489.8
If we subtract 224 from 240, we get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Step 8:
When dividing 160 by 28, we get 5 with a remainder of 20.
Put 5 as the next digit of the answer. 
Result so far: 7489.85
The remainder is 20 after subtracting 140 from 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 9:
The number 28 fits into 200 7 times, leaving a remainder of 4.
The next digit of our result is 7. 
Result so far: 7489.857
Subtracting 196 from 200 leaves us with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Let's proceed to step 10:
40 divided by 28 is 1 with a remainder of 12.
The number 1 becomes the next digit in our result. 
Result so far: 7489.8571
Deduct 28 from 40 and we're left with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Step 11:
If we divide 120 by 28, we get 4 and a remainder of 8.
Write down 4 as next digit of the result. 
Result so far: 7489.85714
Subtract 112 from 120 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.

Step 12:
28 can be fit into 80 2 times, resulting in a remainder of 24.
The next digit of our result is 2. 
Result so far: 7489.857142
If we take 56 away from 80, we end up with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Step 13:
240 divided by 28 is 8 with a remainder of 16.
The number 8 becomes the next digit in our result. 
Result so far: 7489.8571428
Deduct 224 from 240 and we're left with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Moving on to step 14:
28 can be fit into 160 5 times, resulting in a remainder of 20.
The next digit of our result is 5. 
Result so far: 7489.85714285
The remainder is 20 after subtracting 140 from 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

The final outcome is 7489.85714285, with a leftover of 2e-08.