We divide 765624 by 20
The aim is to understand the frequency of 20 in 765624.

Going ahead to step 1:
If we divide 7 by 20, we get 0 and a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Grab the next digit (6) from the dividend, add it to 7, then carry on: 76 / 20

Going ahead to step 2:
20 can be fit into 76 3 times, resulting in a remainder of 16.
Put 3 as the next digit of the answer. 
Result so far: 3.0
If we subtract 60 from 76, we get 16.
Take the next digit (5) from the dividend and append it to 16, then repeat: 165 / 20

On to step 3:
If we divide 165 by 20, we get 8 and a remainder of 5.
Use 8 as the next digit of our solution. 
Result so far: 38.0
If we subtract 160 from 165, we get 5.
Bring next digit (6) of the dividend behind the 5 and repeat the process: 56 / 20

Going ahead to step 4:
The number 20 fits into 56 2 times, leaving a remainder of 16.
The next digit of our result is 2. 
Result so far: 382.0
If we subtract 40 from 56, we get 16.
Fetch the next digit (2) from the dividend, attach it to 16 and continue: 162 / 20

On to step 5:
20 can be fit into 162 8 times, resulting in a remainder of 2.
Write down 8 as next digit of the result. 
Result so far: 3828.0
If we subtract 160 from 162, we get 2.
Take the next digit (4) from the dividend and append it to 2, then repeat: 24 / 20

Advancing to step 6:
When dividing 24 by 20, we get 1 with a remainder of 4.
The next digit of our result is 1. 
Result so far: 38281.0
The remainder is 4 after subtracting 20 from 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Let's proceed to step 7:
When dividing 40 by 20, we get 2 with a remainder of 0.
The next digit of our result is 2. 
Result so far: 38281.2
If we take 40 away from 40, we end up with 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:
When dividing 0 by 20, we get 0 with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 38281.2
If we subtract 0 from 0, 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.

Step 9:
If we divide 0 by 20, we get 0 and a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 38281.2
If we take 0 away from 0, we end up with 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 38281.2 with a remaining 0.0.