We look at the division of 305976 by 50 
The aim is to understand the frequency of 50 in 305976.

Step 1:
The number 50 fits into 3 0 times, leaving a remainder of 3.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Take the next digit (0) from the dividend and append it to 3, then repeat: 30 / 50

On to step 2:
If we divide 30 by 50, we get 0 and a remainder of 30.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 30 after subtracting 0 from 30.
Bring next digit (5) of the dividend behind the 30 and repeat the process: 305 / 50

Advancing to step 3:
305 divided by 50 is 6 with a remainder of 5.
Use 6 as the next digit of our solution. 
Result so far: 6.0
Deduct 300 from 305 and we're left with 5.
Include the next digit (9) from the dividend after 5, then repeat: 59 / 50

Moving on to step 4:
If we divide 59 by 50, we get 1 and a remainder of 9.
The next digit of our result is 1. 
Result so far: 61.0
Subtract 50 from 59 to get 9.
Take the next digit (7) from the dividend and append it to 9, then repeat: 97 / 50

On to step 5:
50 goes into 97 1 times with a remainder of 47.
Write down 1 as next digit of the result. 
Result so far: 611.0
Subtract 50 from 97 to get 47.
Bring next digit (6) of the dividend behind the 47 and repeat the process: 476 / 50

Let's proceed to step 6:
476 divided by 50 is 9 with a remainder of 26.
The next digit of our result is 9. 
Result so far: 6119.0
Subtract 450 from 476 to get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Step 7:
50 goes into 260 5 times with a remainder of 10.
Record the quotient 5 as the next digit in the result. 
Result so far: 6119.5
If we subtract 250 from 260, we get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 8:
50 can be fit into 100 2 times, resulting in a remainder of 0.
The number 2 becomes the next digit in our result. 
Result so far: 6119.52
Deduct 100 from 100 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 9:
0 divided by 50 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 6119.52
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 10:
The number 50 fits into 0 0 times, leaving a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 6119.52
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The quotient of the division is 6119.52, and the remainder is 0.0.