We look at the division of 649784 by 30 
The aim is to understand the frequency of 30 in 649784.

Moving on to step 1:
When dividing 6 by 30, we get 0 with a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 6, we get 6.
Fetch the next digit (4) from the dividend, attach it to 6 and continue: 64 / 30

Moving on to step 2:
When dividing 64 by 30, we get 2 with a remainder of 4.
The next digit of our result is 2. 
Result so far: 2.0
Deduct 60 from 64 and we're left with 4.
Bring next digit (9) of the dividend behind the 4 and repeat the process: 49 / 30

Step 3:
30 goes into 49 1 times with a remainder of 19.
Use 1 as the next digit of our solution. 
Result so far: 21.0
Deduct 30 from 49 and we're left with 19.
Bring next digit (7) of the dividend behind the 19 and repeat the process: 197 / 30

Advancing to step 4:
When dividing 197 by 30, we get 6 with a remainder of 17.
Put 6 as the next digit of the answer. 
Result so far: 216.0
Subtracting 180 from 197 leaves us with 17.
Append the next digit (8) from the dividend to 17 and continue with: 178 / 30

Let's proceed to step 5:
30 can be fit into 178 5 times, resulting in a remainder of 28.
Put 5 as the next digit of the answer. 
Result so far: 2165.0
Deduct 150 from 178 and we're left with 28.
Grab the next digit (4) from the dividend, add it to 28, then carry on: 284 / 30

Advancing to step 6:
If we divide 284 by 30, we get 9 and a remainder of 14.
The next digit of our result is 9. 
Result so far: 21659.0
Deduct 270 from 284 and we're left with 14.
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:
30 goes into 140 4 times with a remainder of 20.
Record the quotient 4 as the next digit in the result. 
Result so far: 21659.4
Subtracting 120 from 140 leaves us with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 8:
If we divide 200 by 30, we get 6 and a remainder of 20.
The number 6 becomes the next digit in our result. 
Result so far: 21659.46
Subtracting 180 from 200 leaves us with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 9:
If we divide 200 by 30, we get 6 and a remainder of 20.
The next digit of our result is 6. 
Result so far: 21659.466
Subtract 180 from 200 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

The quotient of the division is 21659.466, and the remainder is 0.002.