We divide 651720 by 30
The aim is to understand the frequency of 30 in 651720.

Let's proceed to step 1:
If we divide 6 by 30, we get 0 and a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Append the next digit (5) from the dividend to 6 and continue with: 65 / 30

Step 2:
30 can be fit into 65 2 times, resulting in a remainder of 5.
Write down 2 as next digit of the result. 
Result so far: 2.0
The remainder is 5 after subtracting 60 from 65.
Bring next digit (1) of the dividend behind the 5 and repeat the process: 51 / 30

Let's proceed to step 3:
30 can be fit into 51 1 times, resulting in a remainder of 21.
Put 1 as the next digit of the answer. 
Result so far: 21.0
The remainder is 21 after subtracting 30 from 51.
Bring next digit (7) of the dividend behind the 21 and repeat the process: 217 / 30

Going ahead to step 4:
217 divided by 30 is 7 with a remainder of 7.
Put 7 as the next digit of the answer. 
Result so far: 217.0
If we take 210 away from 217, we end up with 7.
Bring next digit (2) of the dividend behind the 7 and repeat the process: 72 / 30

Moving on to step 5:
30 goes into 72 2 times with a remainder of 12.
The next digit of our result is 2. 
Result so far: 2172.0
If we take 60 away from 72, we end up with 12.
Grab the next digit (0) from the dividend, add it to 12, then carry on: 120 / 30

On to step 6:
If we divide 120 by 30, we get 4 and a remainder of 0.
The next digit of our result is 4. 
Result so far: 21724.0
The remainder is 0 after subtracting 120 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 7:
When dividing 0 by 30, we get 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 21724.0
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.

On to step 8:
The number 30 fits into 0 0 times, leaving a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 21724.0
Subtracting 0 from 0 leaves us 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.

After the division, we end up with 21724.0 and a remainder of 0.0.