We're dividing 634413 by 86 
The aim is to understand the frequency of 86 in 634413.

On to step 1:
6 divided by 86 is 0 with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Take the next digit (3) from the dividend and append it to 6, then repeat: 63 / 86

Advancing to step 2:
The number 86 fits into 63 0 times, leaving a remainder of 63.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 63 leaves us with 63.
Fetch the next digit (4) from the dividend, attach it to 63 and continue: 634 / 86

Let's proceed to step 3:
When dividing 634 by 86, we get 7 with a remainder of 32.
Use 7 as the next digit of our solution. 
Result so far: 7.0
Deduct 602 from 634 and we're left with 32.
Take the next digit (4) from the dividend and append it to 32, then repeat: 324 / 86

Step 4:
86 goes into 324 3 times with a remainder of 66.
Record the quotient 3 as the next digit in the result. 
Result so far: 73.0
The remainder is 66 after subtracting 258 from 324.
Bring next digit (1) of the dividend behind the 66 and repeat the process: 661 / 86

Advancing to step 5:
The number 86 fits into 661 7 times, leaving a remainder of 59.
Write down 7 as next digit of the result. 
Result so far: 737.0
The remainder is 59 after subtracting 602 from 661.
Fetch the next digit (3) from the dividend, attach it to 59 and continue: 593 / 86

Advancing to step 6:
593 divided by 86 is 6 with a remainder of 77.
Record the quotient 6 as the next digit in the result. 
Result so far: 7376.0
Subtracting 516 from 593 leaves us with 77.
Since there are no more digits in the dividend, we add a zero to the remainder making it 770, and continue the process.

Step 7:
770 divided by 86 is 8 with a remainder of 82.
The number 8 becomes the next digit in our result. 
Result so far: 7376.8
If we subtract 688 from 770, we get 82.
Since there are no more digits in the dividend, we add a zero to the remainder making it 820, and continue the process.

Going ahead to step 8:
The number 86 fits into 820 9 times, leaving a remainder of 46.
The next digit of our result is 9. 
Result so far: 7376.89
Subtract 774 from 820 to get 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Let's proceed to step 9:
When dividing 460 by 86, we get 5 with a remainder of 30.
The next digit of our result is 5. 
Result so far: 7376.895
If we take 430 away from 460, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

On to step 10:
86 can be fit into 300 3 times, resulting in a remainder of 42.
The number 3 becomes the next digit in our result. 
Result so far: 7376.8953
Deduct 258 from 300 and we're left with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Advancing to step 11:
When dividing 420 by 86, we get 4 with a remainder of 76.
The next digit of our result is 4. 
Result so far: 7376.89534
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.

Advancing to step 12:
The number 86 fits into 760 8 times, leaving a remainder of 72.
Record the quotient 8 as the next digit in the result. 
Result so far: 7376.895348
If we take 688 away from 760, we end up 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.

Going ahead to step 13:
86 can be fit into 720 8 times, resulting in a remainder of 32.
Put 8 as the next digit of the answer. 
Result so far: 7376.8953488
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.

In conclusion, the division gives 7376.8953488 with a balance of 3.2e-07.