We look at the division of 394642 by 85 
The aim is to understand the frequency of 85 in 394642.

On to step 1:
85 goes into 3 0 times with a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 3 after subtracting 0 from 3.
Take the next digit (9) from the dividend and append it to 3, then repeat: 39 / 85

On to step 2:
When dividing 39 by 85, we get 0 with a remainder of 39.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 39 and we're left with 39.
Take the next digit (4) from the dividend and append it to 39, then repeat: 394 / 85

Advancing to step 3:
85 can be fit into 394 4 times, resulting in a remainder of 54.
The next digit of our result is 4. 
Result so far: 4.0
Subtract 340 from 394 to get 54.
Include the next digit (6) from the dividend after 54, then repeat: 546 / 85

On to step 4:
If we divide 546 by 85, we get 6 and a remainder of 36.
Write down 6 as next digit of the result. 
Result so far: 46.0
The remainder is 36 after subtracting 510 from 546.
Append the next digit (4) from the dividend to 36 and continue with: 364 / 85

Going ahead to step 5:
If we divide 364 by 85, we get 4 and a remainder of 24.
Use 4 as the next digit of our solution. 
Result so far: 464.0
The remainder is 24 after subtracting 340 from 364.
Bring next digit (2) of the dividend behind the 24 and repeat the process: 242 / 85

Let's proceed to step 6:
242 divided by 85 is 2 with a remainder of 72.
Write down 2 as next digit of the result. 
Result so far: 4642.0
Subtracting 170 from 242 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.

Let's proceed to step 7:
If we divide 720 by 85, we get 8 and a remainder of 40.
Use 8 as the next digit of our solution. 
Result so far: 4642.8
Subtract 680 from 720 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 8:
When dividing 400 by 85, we get 4 with a remainder of 60.
Write down 4 as next digit of the result. 
Result so far: 4642.84
If we take 340 away from 400, we end up with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Moving on to step 9:
If we divide 600 by 85, we get 7 and a remainder of 5.
Use 7 as the next digit of our solution. 
Result so far: 4642.847
Deduct 595 from 600 and we're left with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Advancing to step 10:
If we divide 50 by 85, we get 0 and a remainder of 50.
Record the quotient 0 as the next digit in the result. 
Result so far: 4642.847
If we subtract 0 from 50, we get 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 11:
85 goes into 500 5 times with a remainder of 75.
Use 5 as the next digit of our solution. 
Result so far: 4642.84705
If we take 425 away from 500, we end up with 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Step 12:
85 goes into 750 8 times with a remainder of 70.
Write down 8 as next digit of the result. 
Result so far: 4642.847058
Subtract 680 from 750 to get 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Let's proceed to step 13:
700 divided by 85 is 8 with a remainder of 20.
The next digit of our result is 8. 
Result so far: 4642.8470588
The remainder is 20 after subtracting 680 from 700.
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 result is 4642.8470588 with a remainder of 2e-07.