We divide 97572835 by 30
The aim is to understand the frequency of 30 in 97572835.

Advancing to step 1:
When dividing 9 by 30, we get 0 with a remainder of 9.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 9 leaves us with 9.
Fetch the next digit (7) from the dividend, attach it to 9 and continue: 97 / 30

Moving on to step 2:
If we divide 97 by 30, we get 3 and a remainder of 7.
Write down 3 as next digit of the result. 
Result so far: 3.0
The remainder is 7 after subtracting 90 from 97.
Bring next digit (5) of the dividend behind the 7 and repeat the process: 75 / 30

Moving on to step 3:
30 can be fit into 75 2 times, resulting in a remainder of 15.
Record the quotient 2 as the next digit in the result. 
Result so far: 32.0
If we subtract 60 from 75, we get 15.
Append the next digit (7) from the dividend to 15 and continue with: 157 / 30

On to step 4:
30 goes into 157 5 times with a remainder of 7.
The next digit of our result is 5. 
Result so far: 325.0
Deduct 150 from 157 and we're left with 7.
Include the next digit (2) from the dividend after 7, then repeat: 72 / 30

Going ahead to step 5:
When dividing 72 by 30, we get 2 with a remainder of 12.
Put 2 as the next digit of the answer. 
Result so far: 3252.0
Deduct 60 from 72 and we're left with 12.
Grab the next digit (8) from the dividend, add it to 12, then carry on: 128 / 30

Going ahead to step 6:
30 goes into 128 4 times with a remainder of 8.
Put 4 as the next digit of the answer. 
Result so far: 32524.0
Subtracting 120 from 128 leaves us with 8.
Take the next digit (3) from the dividend and append it to 8, then repeat: 83 / 30

Let's proceed to step 7:
If we divide 83 by 30, we get 2 and a remainder of 23.
The number 2 becomes the next digit in our result. 
Result so far: 325242.0
Subtract 60 from 83 to get 23.
Include the next digit (5) from the dividend after 23, then repeat: 235 / 30

Moving on to step 8:
The number 30 fits into 235 7 times, leaving a remainder of 25.
The number 7 becomes the next digit in our result. 
Result so far: 3252427.0
Subtracting 210 from 235 leaves us with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Step 9:
30 goes into 250 8 times with a remainder of 10.
Record the quotient 8 as the next digit in the result. 
Result so far: 3252427.8
If we subtract 240 from 250, we get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 10:
When dividing 100 by 30, we get 3 with a remainder of 10.
The next digit of our result is 3. 
Result so far: 3252427.83
Subtracting 90 from 100 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 11:
If we divide 100 by 30, we get 3 and a remainder of 10.
The next digit of our result is 3. 
Result so far: 3252427.833
The remainder is 10 after subtracting 90 from 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

In conclusion, the division gives 3252427.833 with a balance of 0.001.