We divide 18599525 by 285
The aim is to understand the frequency of 285 in 18599525.

Let's proceed to step 1:
If we divide 1 by 285, we get 0 and a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Include the next digit (8) from the dividend after 1, then repeat: 18 / 285

Advancing to step 2:
285 can be fit into 18 0 times, resulting in a remainder of 18.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 18, we end up with 18.
Append the next digit (5) from the dividend to 18 and continue with: 185 / 285

Let's proceed to step 3:
When dividing 185 by 285, we get 0 with a remainder of 185.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 185 and we're left with 185.
Grab the next digit (9) from the dividend, add it to 185, then carry on: 1859 / 285

Going ahead to step 4:
1859 divided by 285 is 6 with a remainder of 149.
The next digit of our result is 6. 
Result so far: 6.0
If we subtract 1710 from 1859, we get 149.
Include the next digit (9) from the dividend after 149, then repeat: 1499 / 285

Moving on to step 5:
1499 divided by 285 is 5 with a remainder of 74.
Record the quotient 5 as the next digit in the result. 
Result so far: 65.0
Deduct 1425 from 1499 and we're left with 74.
Fetch the next digit (5) from the dividend, attach it to 74 and continue: 745 / 285

Advancing to step 6:
285 can be fit into 745 2 times, resulting in a remainder of 175.
The number 2 becomes the next digit in our result. 
Result so far: 652.0
The remainder is 175 after subtracting 570 from 745.
Take the next digit (2) from the dividend and append it to 175, then repeat: 1752 / 285

Let's proceed to step 7:
When dividing 1752 by 285, we get 6 with a remainder of 42.
Put 6 as the next digit of the answer. 
Result so far: 6526.0
Subtract 1710 from 1752 to get 42.
Append the next digit (5) from the dividend to 42 and continue with: 425 / 285

Going ahead to step 8:
If we divide 425 by 285, we get 1 and a remainder of 140.
The next digit of our result is 1. 
Result so far: 65261.0
If we take 285 away from 425, we end up with 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

On to step 9:
285 goes into 1400 4 times with a remainder of 260.
The next digit of our result is 4. 
Result so far: 65261.4
If we subtract 1140 from 1400, we get 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2600, and continue the process.

Moving on to step 10:
285 can be fit into 2600 9 times, resulting in a remainder of 35.
Use 9 as the next digit of our solution. 
Result so far: 65261.49
If we subtract 2565 from 2600, we get 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Step 11:
If we divide 350 by 285, we get 1 and a remainder of 65.
Record the quotient 1 as the next digit in the result. 
Result so far: 65261.491
If we take 285 away from 350, we end up with 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Moving on to step 12:
When dividing 650 by 285, we get 2 with a remainder of 80.
Record the quotient 2 as the next digit in the result. 
Result so far: 65261.4912
Deduct 570 from 650 and we're left with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Moving on to step 13:
800 divided by 285 is 2 with a remainder of 230.
The next digit of our result is 2. 
Result so far: 65261.49122
If we take 570 away from 800, we end up with 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

The final outcome is 65261.49122, with a leftover of 0.00023.