We look at the division of 56463017 by 855 
The aim is to understand the frequency of 855 in 56463017.

On to step 1:
If we divide 5 by 855, we get 0 and a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Take the next digit (6) from the dividend and append it to 5, then repeat: 56 / 855

Step 2:
855 goes into 56 0 times with a remainder of 56.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 56 leaves us with 56.
Fetch the next digit (4) from the dividend, attach it to 56 and continue: 564 / 855

On to step 3:
564 divided by 855 is 0 with a remainder of 564.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 564, we get 564.
Bring next digit (6) of the dividend behind the 564 and repeat the process: 5646 / 855

Moving on to step 4:
855 can be fit into 5646 6 times, resulting in a remainder of 516.
Use 6 as the next digit of our solution. 
Result so far: 6.0
Subtract 5130 from 5646 to get 516.
Take the next digit (3) from the dividend and append it to 516, then repeat: 5163 / 855

Step 5:
5163 divided by 855 is 6 with a remainder of 33.
Write down 6 as next digit of the result. 
Result so far: 66.0
If we take 5130 away from 5163, we end up with 33.
Take the next digit (0) from the dividend and append it to 33, then repeat: 330 / 855

Going ahead to step 6:
If we divide 330 by 855, we get 0 and a remainder of 330.
The next digit of our result is 0. 
Result so far: 660.0
If we subtract 0 from 330, we get 330.
Bring next digit (1) of the dividend behind the 330 and repeat the process: 3301 / 855

Step 7:
3301 divided by 855 is 3 with a remainder of 736.
Use 3 as the next digit of our solution. 
Result so far: 6603.0
Subtracting 2565 from 3301 leaves us with 736.
Append the next digit (7) from the dividend to 736 and continue with: 7367 / 855

Advancing to step 8:
If we divide 7367 by 855, we get 8 and a remainder of 527.
The next digit of our result is 8. 
Result so far: 66038.0
Deduct 6840 from 7367 and we're left with 527.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5270, and continue the process.

Advancing to step 9:
When dividing 5270 by 855, we get 6 with a remainder of 140.
Put 6 as the next digit of the answer. 
Result so far: 66038.6
If we subtract 5130 from 5270, we get 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

Advancing to step 10:
1400 divided by 855 is 1 with a remainder of 545.
Put 1 as the next digit of the answer. 
Result so far: 66038.61
The remainder is 545 after subtracting 855 from 1400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5450, and continue the process.

Going ahead to step 11:
855 can be fit into 5450 6 times, resulting in a remainder of 320.
Use 6 as the next digit of our solution. 
Result so far: 66038.616
If we subtract 5130 from 5450, we get 320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

Let's proceed to step 12:
855 goes into 3200 3 times with a remainder of 635.
Write down 3 as next digit of the result. 
Result so far: 66038.6163
The remainder is 635 after subtracting 2565 from 3200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6350, and continue the process.

Step 13:
If we divide 6350 by 855, we get 7 and a remainder of 365.
The next digit of our result is 7. 
Result so far: 66038.61637
Deduct 5985 from 6350 and we're left with 365.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3650, and continue the process.

Let's proceed to step 14:
The number 855 fits into 3650 4 times, leaving a remainder of 230.
Write down 4 as next digit of the result. 
Result so far: 66038.616374
Subtract 3420 from 3650 to get 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

On to step 15:
855 goes into 2300 2 times with a remainder of 590.
Write down 2 as next digit of the result. 
Result so far: 66038.6163742
If we take 1710 away from 2300, we end up with 590.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5900, and continue the process.

Let's proceed to step 16:
855 can be fit into 5900 6 times, resulting in a remainder of 770.
Put 6 as the next digit of the answer. 
Result so far: 66038.61637426
If we take 5130 away from 5900, we end up with 770.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7700, and continue the process.

The final outcome is 66038.61637426, with a leftover of 7.7e-07.