65568386 divided by 686 
The aim is to understand the frequency of 686 in 65568386.

Advancing to step 1:
686 goes into 6 0 times with a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Include the next digit (5) from the dividend after 6, then repeat: 65 / 686

On to step 2:
686 can be fit into 65 0 times, resulting in a remainder of 65.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 65 and we're left with 65.
Bring next digit (5) of the dividend behind the 65 and repeat the process: 655 / 686

Going ahead to step 3:
655 divided by 686 is 0 with a remainder of 655.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 655 and we're left with 655.
Append the next digit (6) from the dividend to 655 and continue with: 6556 / 686

Let's proceed to step 4:
686 goes into 6556 9 times with a remainder of 382.
The number 9 becomes the next digit in our result. 
Result so far: 9.0
Subtract 6174 from 6556 to get 382.
Grab the next digit (8) from the dividend, add it to 382, then carry on: 3828 / 686

Going ahead to step 5:
3828 divided by 686 is 5 with a remainder of 398.
The number 5 becomes the next digit in our result. 
Result so far: 95.0
Deduct 3430 from 3828 and we're left with 398.
Grab the next digit (3) from the dividend, add it to 398, then carry on: 3983 / 686

Going ahead to step 6:
3983 divided by 686 is 5 with a remainder of 553.
Write down 5 as next digit of the result. 
Result so far: 955.0
Deduct 3430 from 3983 and we're left with 553.
Bring next digit (8) of the dividend behind the 553 and repeat the process: 5538 / 686

Step 7:
If we divide 5538 by 686, we get 8 and a remainder of 50.
The next digit of our result is 8. 
Result so far: 9558.0
If we subtract 5488 from 5538, we get 50.
Bring next digit (6) of the dividend behind the 50 and repeat the process: 506 / 686

Moving on to step 8:
When dividing 506 by 686, we get 0 with a remainder of 506.
Record the quotient 0 as the next digit in the result. 
Result so far: 95580.0
If we take 0 away from 506, we end up with 506.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5060, and continue the process.

On to step 9:
5060 divided by 686 is 7 with a remainder of 258.
Record the quotient 7 as the next digit in the result. 
Result so far: 95580.7
If we take 4802 away from 5060, we end up with 258.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2580, and continue the process.

Let's proceed to step 10:
If we divide 2580 by 686, we get 3 and a remainder of 522.
Record the quotient 3 as the next digit in the result. 
Result so far: 95580.73
The remainder is 522 after subtracting 2058 from 2580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5220, and continue the process.

Step 11:
The number 686 fits into 5220 7 times, leaving a remainder of 418.
Put 7 as the next digit of the answer. 
Result so far: 95580.737
If we subtract 4802 from 5220, we get 418.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4180, and continue the process.

Going ahead to step 12:
4180 divided by 686 is 6 with a remainder of 64.
Record the quotient 6 as the next digit in the result. 
Result so far: 95580.7376
Subtracting 4116 from 4180 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.

Step 13:
If we divide 640 by 686, we get 0 and a remainder of 640.
The next digit of our result is 0. 
Result so far: 95580.7376
Subtract 0 from 640 to get 640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6400, and continue the process.

Step 14:
The number 686 fits into 6400 9 times, leaving a remainder of 226.
The next digit of our result is 9. 
Result so far: 95580.737609
If we take 6174 away from 6400, we end up with 226.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2260, and continue the process.

Moving on to step 15:
If we divide 2260 by 686, we get 3 and a remainder of 202.
Record the quotient 3 as the next digit in the result. 
Result so far: 95580.7376093
If we subtract 2058 from 2260, we get 202.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2020, and continue the process.

Moving on to step 16:
686 goes into 2020 2 times with a remainder of 648.
Use 2 as the next digit of our solution. 
Result so far: 95580.73760932
The remainder is 648 after subtracting 1372 from 2020.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6480, and continue the process.

Our division results in 95580.73760932 with a remaining 6.48e-07.