We look at the division of 15517304 by 325 
The aim is to understand the frequency of 325 in 15517304.

Moving on to step 1:
325 can be fit into 1 0 times, resulting in a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Take the next digit (5) from the dividend and append it to 1, then repeat: 15 / 325

Let's proceed to step 2:
If we divide 15 by 325, we get 0 and a remainder of 15.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 15 and we're left with 15.
Include the next digit (5) from the dividend after 15, then repeat: 155 / 325

On to step 3:
325 goes into 155 0 times with a remainder of 155.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 155 to get 155.
Grab the next digit (1) from the dividend, add it to 155, then carry on: 1551 / 325

Going ahead to step 4:
The number 325 fits into 1551 4 times, leaving a remainder of 251.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
Deduct 1300 from 1551 and we're left with 251.
Grab the next digit (7) from the dividend, add it to 251, then carry on: 2517 / 325

On to step 5:
When dividing 2517 by 325, we get 7 with a remainder of 242.
Record the quotient 7 as the next digit in the result. 
Result so far: 47.0
If we subtract 2275 from 2517, we get 242.
Fetch the next digit (3) from the dividend, attach it to 242 and continue: 2423 / 325

Moving on to step 6:
When dividing 2423 by 325, we get 7 with a remainder of 148.
The number 7 becomes the next digit in our result. 
Result so far: 477.0
Subtracting 2275 from 2423 leaves us with 148.
Bring next digit (0) of the dividend behind the 148 and repeat the process: 1480 / 325

Moving on to step 7:
When dividing 1480 by 325, we get 4 with a remainder of 180.
Write down 4 as next digit of the result. 
Result so far: 4774.0
If we subtract 1300 from 1480, we get 180.
Append the next digit (4) from the dividend to 180 and continue with: 1804 / 325

Advancing to step 8:
325 goes into 1804 5 times with a remainder of 179.
Record the quotient 5 as the next digit in the result. 
Result so far: 47745.0
The remainder is 179 after subtracting 1625 from 1804.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1790, and continue the process.

Let's proceed to step 9:
1790 divided by 325 is 5 with a remainder of 165.
The next digit of our result is 5. 
Result so far: 47745.5
Subtracting 1625 from 1790 leaves us with 165.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1650, and continue the process.

Step 10:
325 can be fit into 1650 5 times, resulting in a remainder of 25.
Use 5 as the next digit of our solution. 
Result so far: 47745.55
If we take 1625 away from 1650, we end up 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.

Our division results in 47745.55 with a remaining 0.025.