We look at the division of 96449304 by 381 
The aim is to understand the frequency of 381 in 96449304.

Step 1:
If we divide 9 by 381, we get 0 and a remainder of 9.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 9 to get 9.
Take the next digit (6) from the dividend and append it to 9, then repeat: 96 / 381

Let's proceed to step 2:
If we divide 96 by 381, we get 0 and a remainder of 96.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 96, we get 96.
Fetch the next digit (4) from the dividend, attach it to 96 and continue: 964 / 381

Moving on to step 3:
The number 381 fits into 964 2 times, leaving a remainder of 202.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
The remainder is 202 after subtracting 762 from 964.
Append the next digit (4) from the dividend to 202 and continue with: 2024 / 381

On to step 4:
If we divide 2024 by 381, we get 5 and a remainder of 119.
Record the quotient 5 as the next digit in the result. 
Result so far: 25.0
Subtracting 1905 from 2024 leaves us with 119.
Fetch the next digit (9) from the dividend, attach it to 119 and continue: 1199 / 381

Going ahead to step 5:
381 can be fit into 1199 3 times, resulting in a remainder of 56.
The number 3 becomes the next digit in our result. 
Result so far: 253.0
If we take 1143 away from 1199, we end up with 56.
Include the next digit (3) from the dividend after 56, then repeat: 563 / 381

On to step 6:
When dividing 563 by 381, we get 1 with a remainder of 182.
The number 1 becomes the next digit in our result. 
Result so far: 2531.0
If we take 381 away from 563, we end up with 182.
Grab the next digit (0) from the dividend, add it to 182, then carry on: 1820 / 381

Going ahead to step 7:
381 goes into 1820 4 times with a remainder of 296.
The number 4 becomes the next digit in our result. 
Result so far: 25314.0
If we subtract 1524 from 1820, we get 296.
Grab the next digit (4) from the dividend, add it to 296, then carry on: 2964 / 381

Moving on to step 8:
381 goes into 2964 7 times with a remainder of 297.
Put 7 as the next digit of the answer. 
Result so far: 253147.0
Subtract 2667 from 2964 to get 297.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2970, and continue the process.

Step 9:
381 can be fit into 2970 7 times, resulting in a remainder of 303.
Write down 7 as next digit of the result. 
Result so far: 253147.7
Subtract 2667 from 2970 to get 303.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3030, and continue the process.

Step 10:
381 can be fit into 3030 7 times, resulting in a remainder of 363.
The next digit of our result is 7. 
Result so far: 253147.77
If we subtract 2667 from 3030, we get 363.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3630, and continue the process.

Our division results in 253147.77 with a remaining 0.363.