We look at the division of 487923 by 87 
The aim is to understand the frequency of 87 in 487923.

Step 1:
87 can be fit into 4 0 times, resulting in a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Grab the next digit (8) from the dividend, add it to 4, then carry on: 48 / 87

Advancing to step 2:
87 goes into 48 0 times with a remainder of 48.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 48 and we're left with 48.
Grab the next digit (7) from the dividend, add it to 48, then carry on: 487 / 87

Advancing to step 3:
If we divide 487 by 87, we get 5 and a remainder of 52.
Write down 5 as next digit of the result. 
Result so far: 5.0
Subtract 435 from 487 to get 52.
Grab the next digit (9) from the dividend, add it to 52, then carry on: 529 / 87

On to step 4:
When dividing 529 by 87, we get 6 with a remainder of 7.
Record the quotient 6 as the next digit in the result. 
Result so far: 56.0
If we subtract 522 from 529, we get 7.
Take the next digit (2) from the dividend and append it to 7, then repeat: 72 / 87

Moving on to step 5:
87 can be fit into 72 0 times, resulting in a remainder of 72.
The number 0 becomes the next digit in our result. 
Result so far: 560.0
If we take 0 away from 72, we end up with 72.
Append the next digit (3) from the dividend to 72 and continue with: 723 / 87

Moving on to step 6:
723 divided by 87 is 8 with a remainder of 27.
Write down 8 as next digit of the result. 
Result so far: 5608.0
Subtracting 696 from 723 leaves us with 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Going ahead to step 7:
When dividing 270 by 87, we get 3 with a remainder of 9.
The next digit of our result is 3. 
Result so far: 5608.3
If we take 261 away from 270, we end up with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Advancing to step 8:
The number 87 fits into 90 1 times, leaving a remainder of 3.
Use 1 as the next digit of our solution. 
Result so far: 5608.31
The remainder is 3 after subtracting 87 from 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Step 9:
When dividing 30 by 87, we get 0 with a remainder of 30.
Write down 0 as next digit of the result. 
Result so far: 5608.31
Subtract 0 from 30 to get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Let's proceed to step 10:
If we divide 300 by 87, we get 3 and a remainder of 39.
Use 3 as the next digit of our solution. 
Result so far: 5608.3103
If we take 261 away from 300, we end up with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Step 11:
If we divide 390 by 87, we get 4 and a remainder of 42.
Use 4 as the next digit of our solution. 
Result so far: 5608.31034
Subtract 348 from 390 to get 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

On to step 12:
When dividing 420 by 87, we get 4 with a remainder of 72.
Put 4 as the next digit of the answer. 
Result so far: 5608.310344
If we subtract 348 from 420, we get 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

In conclusion, the division gives 5608.310344 with a balance of 7.2e-06.