We look at the division of 249752 by 85 
The aim is to understand the frequency of 85 in 249752.

Going ahead to step 1:
85 goes into 2 0 times with a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Grab the next digit (4) from the dividend, add it to 2, then carry on: 24 / 85

Step 2:
24 divided by 85 is 0 with a remainder of 24.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 24 to get 24.
Grab the next digit (9) from the dividend, add it to 24, then carry on: 249 / 85

On to step 3:
The number 85 fits into 249 2 times, leaving a remainder of 79.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Subtract 170 from 249 to get 79.
Include the next digit (7) from the dividend after 79, then repeat: 797 / 85

Going ahead to step 4:
85 can be fit into 797 9 times, resulting in a remainder of 32.
The next digit of our result is 9. 
Result so far: 29.0
Subtract 765 from 797 to get 32.
Take the next digit (5) from the dividend and append it to 32, then repeat: 325 / 85

Advancing to step 5:
85 can be fit into 325 3 times, resulting in a remainder of 70.
Write down 3 as next digit of the result. 
Result so far: 293.0
Subtracting 255 from 325 leaves us with 70.
Bring next digit (2) of the dividend behind the 70 and repeat the process: 702 / 85

Advancing to step 6:
85 goes into 702 8 times with a remainder of 22.
Put 8 as the next digit of the answer. 
Result so far: 2938.0
Subtracting 680 from 702 leaves us with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Moving on to step 7:
85 goes into 220 2 times with a remainder of 50.
Record the quotient 2 as the next digit in the result. 
Result so far: 2938.2
If we take 170 away from 220, we end up with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

On to step 8:
If we divide 500 by 85, we get 5 and a remainder of 75.
The next digit of our result is 5. 
Result so far: 2938.25
Subtract 425 from 500 to get 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Let's proceed to step 9:
If we divide 750 by 85, we get 8 and a remainder of 70.
Use 8 as the next digit of our solution. 
Result so far: 2938.258
Subtracting 680 from 750 leaves us with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Step 10:
85 goes into 700 8 times with a remainder of 20.
Put 8 as the next digit of the answer. 
Result so far: 2938.2588
Subtracting 680 from 700 leaves us with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

The quotient of the division is 2938.2588, and the remainder is 0.0002.