We're dividing 487174 by 20 
The aim is to understand the frequency of 20 in 487174.

Moving on to step 1:
4 divided by 20 is 0 with a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 4 leaves us with 4.
Bring next digit (8) of the dividend behind the 4 and repeat the process: 48 / 20

Advancing to step 2:
20 can be fit into 48 2 times, resulting in a remainder of 8.
Write down 2 as next digit of the result. 
Result so far: 2.0
Deduct 40 from 48 and we're left with 8.
Include the next digit (7) from the dividend after 8, then repeat: 87 / 20

On to step 3:
87 divided by 20 is 4 with a remainder of 7.
The number 4 becomes the next digit in our result. 
Result so far: 24.0
Subtracting 80 from 87 leaves us with 7.
Take the next digit (1) from the dividend and append it to 7, then repeat: 71 / 20

Let's proceed to step 4:
71 divided by 20 is 3 with a remainder of 11.
The next digit of our result is 3. 
Result so far: 243.0
Subtracting 60 from 71 leaves us with 11.
Grab the next digit (7) from the dividend, add it to 11, then carry on: 117 / 20

Let's proceed to step 5:
20 goes into 117 5 times with a remainder of 17.
Write down 5 as next digit of the result. 
Result so far: 2435.0
Deduct 100 from 117 and we're left with 17.
Bring next digit (4) of the dividend behind the 17 and repeat the process: 174 / 20

Let's proceed to step 6:
20 can be fit into 174 8 times, resulting in a remainder of 14.
The number 8 becomes the next digit in our result. 
Result so far: 24358.0
The remainder is 14 after subtracting 160 from 174.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Going ahead to step 7:
If we divide 140 by 20, we get 7 and a remainder of 0.
Write down 7 as next digit of the result. 
Result so far: 24358.7
If we subtract 140 from 140, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 8:
The number 20 fits into 0 0 times, leaving a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 24358.7
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 9:
If we divide 0 by 20, we get 0 and a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 24358.7
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Our division results in 24358.7 with a remaining 0.0.