We look at the division of 908856 by 51 
The aim is to understand the frequency of 51 in 908856.

Let's proceed to step 1:
51 goes into 9 0 times with a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 9 after subtracting 0 from 9.
Append the next digit (0) from the dividend to 9 and continue with: 90 / 51

On to step 2:
51 goes into 90 1 times with a remainder of 39.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 51 from 90 to get 39.
Fetch the next digit (8) from the dividend, attach it to 39 and continue: 398 / 51

Step 3:
If we divide 398 by 51, we get 7 and a remainder of 41.
The number 7 becomes the next digit in our result. 
Result so far: 17.0
If we take 357 away from 398, we end up with 41.
Include the next digit (8) from the dividend after 41, then repeat: 418 / 51

Moving on to step 4:
The number 51 fits into 418 8 times, leaving a remainder of 10.
Record the quotient 8 as the next digit in the result. 
Result so far: 178.0
Subtract 408 from 418 to get 10.
Take the next digit (5) from the dividend and append it to 10, then repeat: 105 / 51

Step 5:
If we divide 105 by 51, we get 2 and a remainder of 3.
The number 2 becomes the next digit in our result. 
Result so far: 1782.0
Subtracting 102 from 105 leaves us with 3.
Include the next digit (6) from the dividend after 3, then repeat: 36 / 51

On to step 6:
51 goes into 36 0 times with a remainder of 36.
Use 0 as the next digit of our solution. 
Result so far: 17820.0
The remainder is 36 after subtracting 0 from 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:
360 divided by 51 is 7 with a remainder of 3.
The next digit of our result is 7. 
Result so far: 17820.7
If we take 357 away from 360, we end up with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

On to step 8:
30 divided by 51 is 0 with a remainder of 30.
Use 0 as the next digit of our solution. 
Result so far: 17820.7
The remainder is 30 after subtracting 0 from 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Going ahead to step 9:
51 can be fit into 300 5 times, resulting in a remainder of 45.
The number 5 becomes the next digit in our result. 
Result so far: 17820.705
Subtract 255 from 300 to get 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Step 10:
The number 51 fits into 450 8 times, leaving a remainder of 42.
Write down 8 as next digit of the result. 
Result so far: 17820.7058
If we subtract 408 from 450, we get 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Advancing to step 11:
420 divided by 51 is 8 with a remainder of 12.
Write down 8 as next digit of the result. 
Result so far: 17820.70588
If we subtract 408 from 420, 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.

In conclusion, the division gives 17820.70588 with a balance of 1.2e-05.