We look at the division of 35920025 by 87 
The aim is to understand the frequency of 87 in 35920025.

Let's proceed to step 1:
87 goes into 3 0 times with a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Append the next digit (5) from the dividend to 3 and continue with: 35 / 87

Step 2:
The number 87 fits into 35 0 times, leaving a remainder of 35.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 35 to get 35.
Grab the next digit (9) from the dividend, add it to 35, then carry on: 359 / 87

On to step 3:
359 divided by 87 is 4 with a remainder of 11.
Use 4 as the next digit of our solution. 
Result so far: 4.0
If we subtract 348 from 359, we get 11.
Fetch the next digit (2) from the dividend, attach it to 11 and continue: 112 / 87

Let's proceed to step 4:
87 goes into 112 1 times with a remainder of 25.
Put 1 as the next digit of the answer. 
Result so far: 41.0
Deduct 87 from 112 and we're left with 25.
Include the next digit (0) from the dividend after 25, then repeat: 250 / 87

Step 5:
If we divide 250 by 87, we get 2 and a remainder of 76.
The next digit of our result is 2. 
Result so far: 412.0
Subtract 174 from 250 to get 76.
Take the next digit (0) from the dividend and append it to 76, then repeat: 760 / 87

Step 6:
760 divided by 87 is 8 with a remainder of 64.
Use 8 as the next digit of our solution. 
Result so far: 4128.0
If we take 696 away from 760, we end up with 64.
Append the next digit (2) from the dividend to 64 and continue with: 642 / 87

Moving on to step 7:
87 goes into 642 7 times with a remainder of 33.
Write down 7 as next digit of the result. 
Result so far: 41287.0
If we subtract 609 from 642, we get 33.
Grab the next digit (5) from the dividend, add it to 33, then carry on: 335 / 87

Step 8:
87 can be fit into 335 3 times, resulting in a remainder of 74.
Write down 3 as next digit of the result. 
Result so far: 412873.0
If we take 261 away from 335, we end up with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Step 9:
The number 87 fits into 740 8 times, leaving a remainder of 44.
Put 8 as the next digit of the answer. 
Result so far: 412873.8
If we take 696 away from 740, we end up with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Going ahead to step 10:
440 divided by 87 is 5 with a remainder of 5.
Put 5 as the next digit of the answer. 
Result so far: 412873.85
If we subtract 435 from 440, we get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

On to step 11:
87 can be fit into 50 0 times, resulting in a remainder of 50.
The next digit of our result is 0. 
Result so far: 412873.85
If we take 0 away from 50, we end up with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Advancing to step 12:
87 goes into 500 5 times with a remainder of 65.
The next digit of our result is 5. 
Result so far: 412873.8505
Subtract 435 from 500 to get 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Let's proceed to step 13:
87 goes into 650 7 times with a remainder of 41.
The next digit of our result is 7. 
Result so far: 412873.85057
Subtract 609 from 650 to get 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Let's proceed to step 14:
87 can be fit into 410 4 times, resulting in a remainder of 62.
Put 4 as the next digit of the answer. 
Result so far: 412873.850574
If we take 348 away from 410, we end up with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Advancing to step 15:
The number 87 fits into 620 7 times, leaving a remainder of 11.
The number 7 becomes the next digit in our result. 
Result so far: 412873.8505747
The remainder is 11 after subtracting 609 from 620.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Let's proceed to step 16:
87 can be fit into 110 1 times, resulting in a remainder of 23.
The next digit of our result is 1. 
Result so far: 412873.85057471
If we subtract 87 from 110, we get 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Our division results in 412873.85057471 with a remaining 2.3e-08.