85391829 divided by 209 
The aim is to understand the frequency of 209 in 85391829.

Going ahead to step 1:
The number 209 fits into 8 0 times, leaving a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Fetch the next digit (5) from the dividend, attach it to 8 and continue: 85 / 209

Going ahead to step 2:
If we divide 85 by 209, we get 0 and a remainder of 85.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 85 and we're left with 85.
Append the next digit (3) from the dividend to 85 and continue with: 853 / 209

Moving on to step 3:
209 goes into 853 4 times with a remainder of 17.
Use 4 as the next digit of our solution. 
Result so far: 4.0
Subtracting 836 from 853 leaves us with 17.
Append the next digit (9) from the dividend to 17 and continue with: 179 / 209

Moving on to step 4:
The number 209 fits into 179 0 times, leaving a remainder of 179.
Record the quotient 0 as the next digit in the result. 
Result so far: 40.0
Subtracting 0 from 179 leaves us with 179.
Grab the next digit (1) from the dividend, add it to 179, then carry on: 1791 / 209

Let's proceed to step 5:
209 goes into 1791 8 times with a remainder of 119.
The next digit of our result is 8. 
Result so far: 408.0
If we take 1672 away from 1791, we end up with 119.
Append the next digit (8) from the dividend to 119 and continue with: 1198 / 209

Advancing to step 6:
If we divide 1198 by 209, we get 5 and a remainder of 153.
Write down 5 as next digit of the result. 
Result so far: 4085.0
Subtract 1045 from 1198 to get 153.
Take the next digit (2) from the dividend and append it to 153, then repeat: 1532 / 209

Moving on to step 7:
209 can be fit into 1532 7 times, resulting in a remainder of 69.
Put 7 as the next digit of the answer. 
Result so far: 40857.0
If we take 1463 away from 1532, we end up with 69.
Bring next digit (9) of the dividend behind the 69 and repeat the process: 699 / 209

Going ahead to step 8:
209 can be fit into 699 3 times, resulting in a remainder of 72.
The next digit of our result is 3. 
Result so far: 408573.0
Subtracting 627 from 699 leaves us with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Moving on to step 9:
209 goes into 720 3 times with a remainder of 93.
Use 3 as the next digit of our solution. 
Result so far: 408573.3
If we subtract 627 from 720, we get 93.
Since there are no more digits in the dividend, we add a zero to the remainder making it 930, and continue the process.

Let's proceed to step 10:
209 goes into 930 4 times with a remainder of 94.
Use 4 as the next digit of our solution. 
Result so far: 408573.34
If we subtract 836 from 930, we get 94.
Since there are no more digits in the dividend, we add a zero to the remainder making it 940, and continue the process.

Advancing to step 11:
940 divided by 209 is 4 with a remainder of 104.
The next digit of our result is 4. 
Result so far: 408573.344
The remainder is 104 after subtracting 836 from 940.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

After the division, we end up with 408573.344 and a remainder of 0.0104.