631321 ÷ 86 
The aim is to understand the frequency of 86 in 631321.

On to step 1:
6 divided by 86 is 0 with a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Bring next digit (3) of the dividend behind the 6 and repeat the process: 63 / 86

Let's proceed to step 2:
The number 86 fits into 63 0 times, leaving a remainder of 63.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 63 leaves us with 63.
Grab the next digit (1) from the dividend, add it to 63, then carry on: 631 / 86

Let's proceed to step 3:
86 goes into 631 7 times with a remainder of 29.
Record the quotient 7 as the next digit in the result. 
Result so far: 7.0
The remainder is 29 after subtracting 602 from 631.
Take the next digit (3) from the dividend and append it to 29, then repeat: 293 / 86

Let's proceed to step 4:
The number 86 fits into 293 3 times, leaving a remainder of 35.
Use 3 as the next digit of our solution. 
Result so far: 73.0
The remainder is 35 after subtracting 258 from 293.
Fetch the next digit (2) from the dividend, attach it to 35 and continue: 352 / 86

Going ahead to step 5:
86 goes into 352 4 times with a remainder of 8.
Record the quotient 4 as the next digit in the result. 
Result so far: 734.0
If we take 344 away from 352, we end up with 8.
Fetch the next digit (1) from the dividend, attach it to 8 and continue: 81 / 86

Advancing to step 6:
The number 86 fits into 81 0 times, leaving a remainder of 81.
The next digit of our result is 0. 
Result so far: 7340.0
If we take 0 away from 81, we end up with 81.
Since there are no more digits in the dividend, we add a zero to the remainder making it 810, and continue the process.

Step 7:
86 goes into 810 9 times with a remainder of 36.
Write down 9 as next digit of the result. 
Result so far: 7340.9
If we subtract 774 from 810, we get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Advancing to step 8:
86 can be fit into 360 4 times, resulting in a remainder of 16.
Use 4 as the next digit of our solution. 
Result so far: 7340.94
If we subtract 344 from 360, we get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Advancing to step 9:
The number 86 fits into 160 1 times, leaving a remainder of 74.
Write down 1 as next digit of the result. 
Result so far: 7340.941
Deduct 86 from 160 and we're left with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Let's proceed to step 10:
86 goes into 740 8 times with a remainder of 52.
Write down 8 as next digit of the result. 
Result so far: 7340.9418
If we take 688 away from 740, we end up with 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Going ahead to step 11:
520 divided by 86 is 6 with a remainder of 4.
Put 6 as the next digit of the answer. 
Result so far: 7340.94186
If we take 516 away from 520, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 12:
86 can be fit into 40 0 times, resulting in a remainder of 40.
The next digit of our result is 0. 
Result so far: 7340.94186
If we take 0 away from 40, we end up with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Let's proceed to step 13:
400 divided by 86 is 4 with a remainder of 56.
The number 4 becomes the next digit in our result. 
Result so far: 7340.9418604
The remainder is 56 after subtracting 344 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Let's proceed to step 14:
86 can be fit into 560 6 times, resulting in a remainder of 44.
The next digit of our result is 6. 
Result so far: 7340.94186046
Deduct 516 from 560 and we're left with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

The final outcome is 7340.94186046, with a leftover of 4.4e-08.