We look at the division of 454938 by 38 
The aim is to understand the frequency of 38 in 454938.

Step 1:
38 can be fit into 4 0 times, resulting in a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Fetch the next digit (5) from the dividend, attach it to 4 and continue: 45 / 38

On to step 2:
38 can be fit into 45 1 times, resulting in a remainder of 7.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 38 from 45, we get 7.
Grab the next digit (4) from the dividend, add it to 7, then carry on: 74 / 38

Step 3:
When dividing 74 by 38, we get 1 with a remainder of 36.
The number 1 becomes the next digit in our result. 
Result so far: 11.0
If we subtract 38 from 74, we get 36.
Bring next digit (9) of the dividend behind the 36 and repeat the process: 369 / 38

Step 4:
When dividing 369 by 38, we get 9 with a remainder of 27.
The number 9 becomes the next digit in our result. 
Result so far: 119.0
If we subtract 342 from 369, we get 27.
Include the next digit (3) from the dividend after 27, then repeat: 273 / 38

Going ahead to step 5:
38 goes into 273 7 times with a remainder of 7.
The next digit of our result is 7. 
Result so far: 1197.0
The remainder is 7 after subtracting 266 from 273.
Append the next digit (8) from the dividend to 7 and continue with: 78 / 38

Let's proceed to step 6:
78 divided by 38 is 2 with a remainder of 2.
The next digit of our result is 2. 
Result so far: 11972.0
If we take 76 away from 78, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Let's proceed to step 7:
The number 38 fits into 20 0 times, leaving a remainder of 20.
The next digit of our result is 0. 
Result so far: 11972.0
If we subtract 0 from 20, we 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.

Let's proceed to step 8:
When dividing 200 by 38, we get 5 with a remainder of 10.
The next digit of our result is 5. 
Result so far: 11972.05
Deduct 190 from 200 and we're left 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.

On to step 9:
38 can be fit into 100 2 times, resulting in a remainder of 24.
Write down 2 as next digit of the result. 
Result so far: 11972.052
If we subtract 76 from 100, we get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

On to step 10:
When dividing 240 by 38, we get 6 with a remainder of 12.
Record the quotient 6 as the next digit in the result. 
Result so far: 11972.0526
The remainder is 12 after subtracting 228 from 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Going ahead to step 11:
38 can be fit into 120 3 times, resulting in a remainder of 6.
Use 3 as the next digit of our solution. 
Result so far: 11972.05263
The remainder is 6 after subtracting 114 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Let's proceed to step 12:
38 goes into 60 1 times with a remainder of 22.
The number 1 becomes the next digit in our result. 
Result so far: 11972.052631
Deduct 38 from 60 and we're left with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Moving on to step 13:
When dividing 220 by 38, we get 5 with a remainder of 30.
Use 5 as the next digit of our solution. 
Result so far: 11972.0526315
Subtracting 190 from 220 leaves us with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Step 14:
38 goes into 300 7 times with a remainder of 34.
The next digit of our result is 7. 
Result so far: 11972.05263157
If we take 266 away from 300, we end up with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

The final outcome is 11972.05263157, with a leftover of 3.4e-08.