We look at the division of 493863 by 30 
The aim is to understand the frequency of 30 in 493863.

Let's proceed to step 1:
If we divide 4 by 30, we get 0 and a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Bring next digit (9) of the dividend behind the 4 and repeat the process: 49 / 30

On to step 2:
30 goes into 49 1 times with a remainder of 19.
The next digit of our result is 1. 
Result so far: 1.0
If we subtract 30 from 49, we get 19.
Fetch the next digit (3) from the dividend, attach it to 19 and continue: 193 / 30

Going ahead to step 3:
When dividing 193 by 30, we get 6 with a remainder of 13.
The next digit of our result is 6. 
Result so far: 16.0
Deduct 180 from 193 and we're left with 13.
Fetch the next digit (8) from the dividend, attach it to 13 and continue: 138 / 30

Going ahead to step 4:
138 divided by 30 is 4 with a remainder of 18.
The number 4 becomes the next digit in our result. 
Result so far: 164.0
The remainder is 18 after subtracting 120 from 138.
Grab the next digit (6) from the dividend, add it to 18, then carry on: 186 / 30

Moving on to step 5:
186 divided by 30 is 6 with a remainder of 6.
The number 6 becomes the next digit in our result. 
Result so far: 1646.0
Deduct 180 from 186 and we're left with 6.
Grab the next digit (3) from the dividend, add it to 6, then carry on: 63 / 30

Let's proceed to step 6:
30 can be fit into 63 2 times, resulting in a remainder of 3.
The number 2 becomes the next digit in our result. 
Result so far: 16462.0
Deduct 60 from 63 and we're left with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Going ahead to step 7:
30 can be fit into 30 1 times, resulting in a remainder of 0.
The next digit of our result is 1. 
Result so far: 16462.1
The remainder is 0 after subtracting 30 from 30.
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 8:
0 divided by 30 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 16462.1
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.

Moving on to step 9:
30 can be fit into 0 0 times, resulting in a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 16462.1
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.

The final result is 16462.1 with a remainder of 0.0.