Let's divide 842420 by 17
The aim is to understand the frequency of 17 in 842420.

Step 1:
17 can be fit into 8 0 times, resulting in a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Fetch the next digit (4) from the dividend, attach it to 8 and continue: 84 / 17

Step 2:
17 goes into 84 4 times with a remainder of 16.
Write down 4 as next digit of the result. 
Result so far: 4.0
If we subtract 68 from 84, we get 16.
Bring next digit (2) of the dividend behind the 16 and repeat the process: 162 / 17

On to step 3:
162 divided by 17 is 9 with a remainder of 9.
Write down 9 as next digit of the result. 
Result so far: 49.0
The remainder is 9 after subtracting 153 from 162.
Include the next digit (4) from the dividend after 9, then repeat: 94 / 17

Moving on to step 4:
17 goes into 94 5 times with a remainder of 9.
Put 5 as the next digit of the answer. 
Result so far: 495.0
If we take 85 away from 94, we end up with 9.
Take the next digit (2) from the dividend and append it to 9, then repeat: 92 / 17

Going ahead to step 5:
17 can be fit into 92 5 times, resulting in a remainder of 7.
Use 5 as the next digit of our solution. 
Result so far: 4955.0
Deduct 85 from 92 and we're left with 7.
Fetch the next digit (0) from the dividend, attach it to 7 and continue: 70 / 17

Step 6:
When dividing 70 by 17, we get 4 with a remainder of 2.
Put 4 as the next digit of the answer. 
Result so far: 49554.0
Subtracting 68 from 70 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Going ahead to step 7:
17 can be fit into 20 1 times, resulting in a remainder of 3.
The number 1 becomes the next digit in our result. 
Result so far: 49554.1
If we subtract 17 from 20, we get 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Let's proceed to step 8:
The number 17 fits into 30 1 times, leaving a remainder of 13.
Record the quotient 1 as the next digit in the result. 
Result so far: 49554.11
The remainder is 13 after subtracting 17 from 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Our division results in 49554.11 with a remaining 0.013.