Let's divide 970644 by 86
The aim is to understand the frequency of 86 in 970644.

Moving on to step 1:
When dividing 9 by 86, we get 0 with a remainder of 9.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 9, we get 9.
Take the next digit (7) from the dividend and append it to 9, then repeat: 97 / 86

Advancing to step 2:
When dividing 97 by 86, we get 1 with a remainder of 11.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we subtract 86 from 97, we get 11.
Include the next digit (0) from the dividend after 11, then repeat: 110 / 86

Going ahead to step 3:
110 divided by 86 is 1 with a remainder of 24.
Record the quotient 1 as the next digit in the result. 
Result so far: 11.0
The remainder is 24 after subtracting 86 from 110.
Take the next digit (6) from the dividend and append it to 24, then repeat: 246 / 86

Going ahead to step 4:
The number 86 fits into 246 2 times, leaving a remainder of 74.
The next digit of our result is 2. 
Result so far: 112.0
Deduct 172 from 246 and we're left with 74.
Bring next digit (4) of the dividend behind the 74 and repeat the process: 744 / 86

Moving on to step 5:
744 divided by 86 is 8 with a remainder of 56.
Record the quotient 8 as the next digit in the result. 
Result so far: 1128.0
Subtracting 688 from 744 leaves us with 56.
Grab the next digit (4) from the dividend, add it to 56, then carry on: 564 / 86

Going ahead to step 6:
86 can be fit into 564 6 times, resulting in a remainder of 48.
Write down 6 as next digit of the result. 
Result so far: 11286.0
Subtract 516 from 564 to get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Step 7:
The number 86 fits into 480 5 times, leaving a remainder of 50.
The number 5 becomes the next digit in our result. 
Result so far: 11286.5
Deduct 430 from 480 and we're left 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.

On to step 8:
When dividing 500 by 86, we get 5 with a remainder of 70.
The number 5 becomes the next digit in our result. 
Result so far: 11286.55
Deduct 430 from 500 and we're left with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

After the division, we end up with 11286.55 and a remainder of 0.07.