We look at the division of 26658 by 86 
The aim is to understand the frequency of 86 in 26658.

Going ahead to step 1:
86 goes into 2 0 times with a remainder of 2.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Take the next digit (6) from the dividend and append it to 2, then repeat: 26 / 86

Advancing to step 2:
The number 86 fits into 26 0 times, leaving a remainder of 26.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 26 after subtracting 0 from 26.
Bring next digit (6) of the dividend behind the 26 and repeat the process: 266 / 86

Advancing to step 3:
The number 86 fits into 266 3 times, leaving a remainder of 8.
The number 3 becomes the next digit in our result. 
Result so far: 3.0
Deduct 258 from 266 and we're left with 8.
Include the next digit (5) from the dividend after 8, then repeat: 85 / 86

On to step 4:
If we divide 85 by 86, we get 0 and a remainder of 85.
Put 0 as the next digit of the answer. 
Result so far: 30.0
Deduct 0 from 85 and we're left with 85.
Include the next digit (8) from the dividend after 85, then repeat: 858 / 86

Let's proceed to step 5:
If we divide 858 by 86, we get 9 and a remainder of 84.
Use 9 as the next digit of our solution. 
Result so far: 309.0
Subtracting 774 from 858 leaves us with 84.
Since there are no more digits in the dividend, we add a zero to the remainder making it 840, and continue the process.

Moving on to step 6:
The number 86 fits into 840 9 times, leaving a remainder of 66.
The number 9 becomes the next digit in our result. 
Result so far: 309.9
Subtracting 774 from 840 leaves us with 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Moving on to step 7:
660 divided by 86 is 7 with a remainder of 58.
The number 7 becomes the next digit in our result. 
Result so far: 309.97
The remainder is 58 after subtracting 602 from 660.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

On to step 8:
If we divide 580 by 86, we get 6 and a remainder of 64.
Put 6 as the next digit of the answer. 
Result so far: 309.976
Subtracting 516 from 580 leaves us with 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Moving on to step 9:
If we divide 640 by 86, we get 7 and a remainder of 38.
Record the quotient 7 as the next digit in the result. 
Result so far: 309.9767
If we subtract 602 from 640, we get 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

On to step 10:
86 can be fit into 380 4 times, resulting in a remainder of 36.
Record the quotient 4 as the next digit in the result. 
Result so far: 309.97674
The remainder is 36 after subtracting 344 from 380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Moving on to step 11:
86 can be fit into 360 4 times, resulting in a remainder of 16.
The next digit of our result is 4. 
Result so far: 309.976744
The remainder is 16 after subtracting 344 from 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

The quotient of the division is 309.976744, and the remainder is 1.6e-06.