We look at the division of 815288 by 68 
The aim is to understand the frequency of 68 in 815288.

Moving on to step 1:
8 divided by 68 is 0 with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Bring next digit (1) of the dividend behind the 8 and repeat the process: 81 / 68

Going ahead to step 2:
81 divided by 68 is 1 with a remainder of 13.
The next digit of our result is 1. 
Result so far: 1.0
If we take 68 away from 81, we end up with 13.
Append the next digit (5) from the dividend to 13 and continue with: 135 / 68

Let's proceed to step 3:
135 divided by 68 is 1 with a remainder of 67.
The number 1 becomes the next digit in our result. 
Result so far: 11.0
Subtract 68 from 135 to get 67.
Include the next digit (2) from the dividend after 67, then repeat: 672 / 68

On to step 4:
If we divide 672 by 68, we get 9 and a remainder of 60.
Record the quotient 9 as the next digit in the result. 
Result so far: 119.0
Subtracting 612 from 672 leaves us with 60.
Include the next digit (8) from the dividend after 60, then repeat: 608 / 68

On to step 5:
68 goes into 608 8 times with a remainder of 64.
Use 8 as the next digit of our solution. 
Result so far: 1198.0
Subtracting 544 from 608 leaves us with 64.
Take the next digit (8) from the dividend and append it to 64, then repeat: 648 / 68

On to step 6:
68 can be fit into 648 9 times, resulting in a remainder of 36.
Write down 9 as next digit of the result. 
Result so far: 11989.0
If we subtract 612 from 648, 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.

Let's proceed to step 7:
68 goes into 360 5 times with a remainder of 20.
Write down 5 as next digit of the result. 
Result so far: 11989.5
Deduct 340 from 360 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Going ahead to step 8:
200 divided by 68 is 2 with a remainder of 64.
The next digit of our result is 2. 
Result so far: 11989.52
Subtracting 136 from 200 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 9:
68 can be fit into 640 9 times, resulting in a remainder of 28.
Put 9 as the next digit of the answer. 
Result so far: 11989.529
Subtract 612 from 640 to get 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Moving on to step 10:
68 can be fit into 280 4 times, resulting in a remainder of 8.
Write down 4 as next digit of the result. 
Result so far: 11989.5294
If we take 272 away from 280, we end up with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Step 11:
The number 68 fits into 80 1 times, leaving a remainder of 12.
Write down 1 as next digit of the result. 
Result so far: 11989.52941
If we subtract 68 from 80, we get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Let's proceed to step 12:
120 divided by 68 is 1 with a remainder of 52.
Write down 1 as next digit of the result. 
Result so far: 11989.529411
If we subtract 68 from 120, we get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

The final outcome is 11989.529411, with a leftover of 5.2e-06.