We divide 79897122 by 525
The aim is to understand the frequency of 525 in 79897122.

On to step 1:
If we divide 7 by 525, we get 0 and a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Bring next digit (9) of the dividend behind the 7 and repeat the process: 79 / 525

Step 2:
The number 525 fits into 79 0 times, leaving a remainder of 79.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 79, we get 79.
Include the next digit (8) from the dividend after 79, then repeat: 798 / 525

Going ahead to step 3:
When dividing 798 by 525, we get 1 with a remainder of 273.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we subtract 525 from 798, we get 273.
Fetch the next digit (9) from the dividend, attach it to 273 and continue: 2739 / 525

Moving on to step 4:
2739 divided by 525 is 5 with a remainder of 114.
The next digit of our result is 5. 
Result so far: 15.0
The remainder is 114 after subtracting 2625 from 2739.
Take the next digit (7) from the dividend and append it to 114, then repeat: 1147 / 525

Advancing to step 5:
The number 525 fits into 1147 2 times, leaving a remainder of 97.
Record the quotient 2 as the next digit in the result. 
Result so far: 152.0
Deduct 1050 from 1147 and we're left with 97.
Bring next digit (1) of the dividend behind the 97 and repeat the process: 971 / 525

Let's proceed to step 6:
525 can be fit into 971 1 times, resulting in a remainder of 446.
The number 1 becomes the next digit in our result. 
Result so far: 1521.0
Subtracting 525 from 971 leaves us with 446.
Take the next digit (2) from the dividend and append it to 446, then repeat: 4462 / 525

Going ahead to step 7:
If we divide 4462 by 525, we get 8 and a remainder of 262.
The next digit of our result is 8. 
Result so far: 15218.0
Subtracting 4200 from 4462 leaves us with 262.
Append the next digit (2) from the dividend to 262 and continue with: 2622 / 525

Let's proceed to step 8:
When dividing 2622 by 525, we get 4 with a remainder of 522.
Write down 4 as next digit of the result. 
Result so far: 152184.0
If we take 2100 away from 2622, we end up with 522.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5220, and continue the process.

Let's proceed to step 9:
If we divide 5220 by 525, we get 9 and a remainder of 495.
The number 9 becomes the next digit in our result. 
Result so far: 152184.9
If we take 4725 away from 5220, we end up with 495.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4950, and continue the process.

Going ahead to step 10:
525 can be fit into 4950 9 times, resulting in a remainder of 225.
Write down 9 as next digit of the result. 
Result so far: 152184.99
Subtracting 4725 from 4950 leaves us with 225.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2250, and continue the process.

After the division, we end up with 152184.99 and a remainder of 0.225.