855778 divided by 72 
The aim is to understand the frequency of 72 in 855778.

Going ahead to step 1:
72 can be fit into 8 0 times, resulting in a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Fetch the next digit (5) from the dividend, attach it to 8 and continue: 85 / 72

Step 2:
The number 72 fits into 85 1 times, leaving a remainder of 13.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Subtracting 72 from 85 leaves us with 13.
Include the next digit (5) from the dividend after 13, then repeat: 135 / 72

Let's proceed to step 3:
72 goes into 135 1 times with a remainder of 63.
Put 1 as the next digit of the answer. 
Result so far: 11.0
Subtracting 72 from 135 leaves us with 63.
Take the next digit (7) from the dividend and append it to 63, then repeat: 637 / 72

Going ahead to step 4:
637 divided by 72 is 8 with a remainder of 61.
Put 8 as the next digit of the answer. 
Result so far: 118.0
If we take 576 away from 637, we end up with 61.
Append the next digit (7) from the dividend to 61 and continue with: 617 / 72

On to step 5:
The number 72 fits into 617 8 times, leaving a remainder of 41.
The next digit of our result is 8. 
Result so far: 1188.0
If we subtract 576 from 617, we get 41.
Bring next digit (8) of the dividend behind the 41 and repeat the process: 418 / 72

On to step 6:
When dividing 418 by 72, we get 5 with a remainder of 58.
Write down 5 as next digit of the result. 
Result so far: 11885.0
If we subtract 360 from 418, we get 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Let's proceed to step 7:
72 can be fit into 580 8 times, resulting in a remainder of 4.
Write down 8 as next digit of the result. 
Result so far: 11885.8
If we subtract 576 from 580, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 8:
40 divided by 72 is 0 with a remainder of 40.
Write down 0 as next digit of the result. 
Result so far: 11885.8
If we subtract 0 from 40, we get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 9:
When dividing 400 by 72, we get 5 with a remainder of 40.
The number 5 becomes the next digit in our result. 
Result so far: 11885.805
The remainder is 40 after subtracting 360 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Advancing to step 10:
The number 72 fits into 400 5 times, leaving a remainder of 40.
The number 5 becomes the next digit in our result. 
Result so far: 11885.8055
If we subtract 360 from 400, we get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

The final result is 11885.8055 with a remainder of 0.0004.