We look at the division of 903905 by 49 
The aim is to understand the frequency of 49 in 903905.

Let's proceed to step 1:
The number 49 fits into 9 0 times, leaving a remainder of 9.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 9 after subtracting 0 from 9.
Include the next digit (0) from the dividend after 9, then repeat: 90 / 49

Advancing to step 2:
90 divided by 49 is 1 with a remainder of 41.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtract 49 from 90 to get 41.
Bring next digit (3) of the dividend behind the 41 and repeat the process: 413 / 49

Let's proceed to step 3:
If we divide 413 by 49, we get 8 and a remainder of 21.
The next digit of our result is 8. 
Result so far: 18.0
The remainder is 21 after subtracting 392 from 413.
Bring next digit (9) of the dividend behind the 21 and repeat the process: 219 / 49

Advancing to step 4:
49 goes into 219 4 times with a remainder of 23.
Use 4 as the next digit of our solution. 
Result so far: 184.0
Subtracting 196 from 219 leaves us with 23.
Bring next digit (0) of the dividend behind the 23 and repeat the process: 230 / 49

Moving on to step 5:
230 divided by 49 is 4 with a remainder of 34.
The next digit of our result is 4. 
Result so far: 1844.0
Subtract 196 from 230 to get 34.
Include the next digit (5) from the dividend after 34, then repeat: 345 / 49

Moving on to step 6:
49 goes into 345 7 times with a remainder of 2.
Write down 7 as next digit of the result. 
Result so far: 18447.0
Subtract 343 from 345 to get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Step 7:
49 can be fit into 20 0 times, resulting in a remainder of 20.
Write down 0 as next digit of the result. 
Result so far: 18447.0
If we subtract 0 from 20, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 8:
49 goes into 200 4 times with a remainder of 4.
Put 4 as the next digit of the answer. 
Result so far: 18447.04
The remainder is 4 after subtracting 196 from 200.
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 9:
49 goes into 40 0 times with a remainder of 40.
Put 0 as the next digit of the answer. 
Result so far: 18447.04
Deduct 0 from 40 and we're left with 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 10:
49 can be fit into 400 8 times, resulting in a remainder of 8.
Use 8 as the next digit of our solution. 
Result so far: 18447.0408
If we subtract 392 from 400, we get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

On to step 11:
49 goes into 80 1 times with a remainder of 31.
Put 1 as the next digit of the answer. 
Result so far: 18447.04081
Deduct 49 from 80 and we're left with 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Going ahead to step 12:
If we divide 310 by 49, we get 6 and a remainder of 16.
Write down 6 as next digit of the result. 
Result so far: 18447.040816
If we subtract 294 from 310, we get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Going ahead to step 13:
49 goes into 160 3 times with a remainder of 13.
Write down 3 as next digit of the result. 
Result so far: 18447.0408163
Deduct 147 from 160 and we're left with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Moving on to step 14:
The number 49 fits into 130 2 times, leaving a remainder of 32.
Write down 2 as next digit of the result. 
Result so far: 18447.04081632
If we take 98 away from 130, we end up with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

In conclusion, the division gives 18447.04081632 with a balance of 3.2e-08.