We look at the division of 887132 by 86 
The aim is to understand the frequency of 86 in 887132.

Let's proceed to step 1:
If we divide 8 by 86, we get 0 and a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Take the next digit (8) from the dividend and append it to 8, then repeat: 88 / 86

Step 2:
When dividing 88 by 86, we get 1 with a remainder of 2.
Write down 1 as next digit of the result. 
Result so far: 1.0
Deduct 86 from 88 and we're left with 2.
Append the next digit (7) from the dividend to 2 and continue with: 27 / 86

Advancing to step 3:
When dividing 27 by 86, we get 0 with a remainder of 27.
Use 0 as the next digit of our solution. 
Result so far: 10.0
If we take 0 away from 27, we end up with 27.
Include the next digit (1) from the dividend after 27, then repeat: 271 / 86

Step 4:
If we divide 271 by 86, we get 3 and a remainder of 13.
Record the quotient 3 as the next digit in the result. 
Result so far: 103.0
Subtract 258 from 271 to get 13.
Grab the next digit (3) from the dividend, add it to 13, then carry on: 133 / 86

On to step 5:
The number 86 fits into 133 1 times, leaving a remainder of 47.
Record the quotient 1 as the next digit in the result. 
Result so far: 1031.0
The remainder is 47 after subtracting 86 from 133.
Include the next digit (2) from the dividend after 47, then repeat: 472 / 86

Going ahead to step 6:
86 can be fit into 472 5 times, resulting in a remainder of 42.
Record the quotient 5 as the next digit in the result. 
Result so far: 10315.0
The remainder is 42 after subtracting 430 from 472.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Going ahead to step 7:
86 goes into 420 4 times with a remainder of 76.
Put 4 as the next digit of the answer. 
Result so far: 10315.4
If we subtract 344 from 420, we get 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

Step 8:
760 divided by 86 is 8 with a remainder of 72.
The next digit of our result is 8. 
Result so far: 10315.48
Subtracting 688 from 760 leaves us with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

On to step 9:
86 can be fit into 720 8 times, resulting in a remainder of 32.
The next digit of our result is 8. 
Result so far: 10315.488
Deduct 688 from 720 and we're left with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

The quotient of the division is 10315.488, and the remainder is 0.0032.