505530 ÷ 85 
The aim is to understand the frequency of 85 in 505530.

Step 1:
85 can be fit into 5 0 times, resulting in a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Include the next digit (0) from the dividend after 5, then repeat: 50 / 85

Let's proceed to step 2:
50 divided by 85 is 0 with a remainder of 50.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 50, we get 50.
Grab the next digit (5) from the dividend, add it to 50, then carry on: 505 / 85

Moving on to step 3:
When dividing 505 by 85, we get 5 with a remainder of 80.
Put 5 as the next digit of the answer. 
Result so far: 5.0
If we subtract 425 from 505, we get 80.
Fetch the next digit (5) from the dividend, attach it to 80 and continue: 805 / 85

Let's proceed to step 4:
When dividing 805 by 85, we get 9 with a remainder of 40.
Record the quotient 9 as the next digit in the result. 
Result so far: 59.0
If we take 765 away from 805, we end up with 40.
Fetch the next digit (3) from the dividend, attach it to 40 and continue: 403 / 85

Advancing to step 5:
The number 85 fits into 403 4 times, leaving a remainder of 63.
Use 4 as the next digit of our solution. 
Result so far: 594.0
If we subtract 340 from 403, we get 63.
Take the next digit (0) from the dividend and append it to 63, then repeat: 630 / 85

On to step 6:
85 goes into 630 7 times with a remainder of 35.
Use 7 as the next digit of our solution. 
Result so far: 5947.0
If we subtract 595 from 630, we get 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 7:
85 goes into 350 4 times with a remainder of 10.
Put 4 as the next digit of the answer. 
Result so far: 5947.4
The remainder is 10 after subtracting 340 from 350.
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 8:
When dividing 100 by 85, we get 1 with a remainder of 15.
Record the quotient 1 as the next digit in the result. 
Result so far: 5947.41
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.

Let's proceed to step 9:
When dividing 150 by 85, we get 1 with a remainder of 65.
Use 1 as the next digit of our solution. 
Result so far: 5947.411
Subtract 85 from 150 to get 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

After the division, we end up with 5947.411 and a remainder of 0.0065.