Let's divide 25457854 by 855
The aim is to understand the frequency of 855 in 25457854.

Going ahead to step 1:
2 divided by 855 is 0 with a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Fetch the next digit (5) from the dividend, attach it to 2 and continue: 25 / 855

On to step 2:
25 divided by 855 is 0 with a remainder of 25.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 25, we get 25.
Bring next digit (4) of the dividend behind the 25 and repeat the process: 254 / 855

On to step 3:
If we divide 254 by 855, we get 0 and a remainder of 254.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 254, we end up with 254.
Include the next digit (5) from the dividend after 254, then repeat: 2545 / 855

Let's proceed to step 4:
2545 divided by 855 is 2 with a remainder of 835.
Use 2 as the next digit of our solution. 
Result so far: 2.0
Deduct 1710 from 2545 and we're left with 835.
Append the next digit (7) from the dividend to 835 and continue with: 8357 / 855

On to step 5:
The number 855 fits into 8357 9 times, leaving a remainder of 662.
Record the quotient 9 as the next digit in the result. 
Result so far: 29.0
Subtracting 7695 from 8357 leaves us with 662.
Grab the next digit (8) from the dividend, add it to 662, then carry on: 6628 / 855

Moving on to step 6:
6628 divided by 855 is 7 with a remainder of 643.
Put 7 as the next digit of the answer. 
Result so far: 297.0
If we take 5985 away from 6628, we end up with 643.
Take the next digit (5) from the dividend and append it to 643, then repeat: 6435 / 855

Moving on to step 7:
When dividing 6435 by 855, we get 7 with a remainder of 450.
Record the quotient 7 as the next digit in the result. 
Result so far: 2977.0
If we take 5985 away from 6435, we end up with 450.
Grab the next digit (4) from the dividend, add it to 450, then carry on: 4504 / 855

On to step 8:
855 goes into 4504 5 times with a remainder of 229.
The next digit of our result is 5. 
Result so far: 29775.0
If we subtract 4275 from 4504, we get 229.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2290, and continue the process.

Moving on to step 9:
2290 divided by 855 is 2 with a remainder of 580.
Write down 2 as next digit of the result. 
Result so far: 29775.2
Subtracting 1710 from 2290 leaves us with 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

Step 10:
If we divide 5800 by 855, we get 6 and a remainder of 670.
Put 6 as the next digit of the answer. 
Result so far: 29775.26
Subtracting 5130 from 5800 leaves us with 670.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6700, and continue the process.

Step 11:
The number 855 fits into 6700 7 times, leaving a remainder of 715.
The next digit of our result is 7. 
Result so far: 29775.267
Deduct 5985 from 6700 and we're left with 715.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7150, and continue the process.

Step 12:
7150 divided by 855 is 8 with a remainder of 310.
The next digit of our result is 8. 
Result so far: 29775.2678
Deduct 6840 from 7150 and we're left with 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

Going ahead to step 13:
The number 855 fits into 3100 3 times, leaving a remainder of 535.
Record the quotient 3 as the next digit in the result. 
Result so far: 29775.26783
Subtract 2565 from 3100 to get 535.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5350, and continue the process.

Moving on to step 14:
The number 855 fits into 5350 6 times, leaving a remainder of 220.
Use 6 as the next digit of our solution. 
Result so far: 29775.267836
Deduct 5130 from 5350 and we're left with 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Let's proceed to step 15:
855 goes into 2200 2 times with a remainder of 490.
Record the quotient 2 as the next digit in the result. 
Result so far: 29775.2678362
The remainder is 490 after subtracting 1710 from 2200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4900, and continue the process.

Step 16:
The number 855 fits into 4900 5 times, leaving a remainder of 625.
Record the quotient 5 as the next digit in the result. 
Result so far: 29775.26783625
Subtracting 4275 from 4900 leaves us with 625.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6250, and continue the process.

Our division results in 29775.26783625 with a remaining 6.25e-07.