We look at the division of 320191 by 85 
The aim is to understand the frequency of 85 in 320191.

On to step 1:
The number 85 fits into 3 0 times, leaving a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 3 leaves us with 3.
Grab the next digit (2) from the dividend, add it to 3, then carry on: 32 / 85

Moving on to step 2:
If we divide 32 by 85, we get 0 and a remainder of 32.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 32 and we're left with 32.
Fetch the next digit (0) from the dividend, attach it to 32 and continue: 320 / 85

Step 3:
85 goes into 320 3 times with a remainder of 65.
The next digit of our result is 3. 
Result so far: 3.0
Subtracting 255 from 320 leaves us with 65.
Bring next digit (1) of the dividend behind the 65 and repeat the process: 651 / 85

On to step 4:
651 divided by 85 is 7 with a remainder of 56.
The number 7 becomes the next digit in our result. 
Result so far: 37.0
If we subtract 595 from 651, we get 56.
Fetch the next digit (9) from the dividend, attach it to 56 and continue: 569 / 85

On to step 5:
The number 85 fits into 569 6 times, leaving a remainder of 59.
Use 6 as the next digit of our solution. 
Result so far: 376.0
If we subtract 510 from 569, we get 59.
Fetch the next digit (1) from the dividend, attach it to 59 and continue: 591 / 85

Advancing to step 6:
591 divided by 85 is 6 with a remainder of 81.
Record the quotient 6 as the next digit in the result. 
Result so far: 3766.0
Deduct 510 from 591 and we're left with 81.
Since there are no more digits in the dividend, we add a zero to the remainder making it 810, and continue the process.

Advancing to step 7:
When dividing 810 by 85, we get 9 with a remainder of 45.
Use 9 as the next digit of our solution. 
Result so far: 3766.9
The remainder is 45 after subtracting 765 from 810.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Step 8:
The number 85 fits into 450 5 times, leaving a remainder of 25.
The number 5 becomes the next digit in our result. 
Result so far: 3766.95
If we take 425 away from 450, we end up with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Moving on to step 9:
250 divided by 85 is 2 with a remainder of 80.
The number 2 becomes the next digit in our result. 
Result so far: 3766.952
Subtracting 170 from 250 leaves us with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Moving on to step 10:
When dividing 800 by 85, we get 9 with a remainder of 35.
Put 9 as the next digit of the answer. 
Result so far: 3766.9529
Subtracting 765 from 800 leaves us with 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Going ahead to step 11:
If we divide 350 by 85, we get 4 and a remainder of 10.
Record the quotient 4 as the next digit in the result. 
Result so far: 3766.95294
If we subtract 340 from 350, we get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 12:
85 can be fit into 100 1 times, resulting in a remainder of 15.
Put 1 as the next digit of the answer. 
Result so far: 3766.952941
Deduct 85 from 100 and we're left with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Moving on to step 13:
When dividing 150 by 85, we get 1 with a remainder of 65.
The number 1 becomes the next digit in our result. 
Result so far: 3766.9529411
If we take 85 away from 150, we end up with 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

In conclusion, the division gives 3766.9529411 with a balance of 6.5e-07.