We look at the division of 697451 by 50 
The aim is to understand the frequency of 50 in 697451.

Step 1:
When dividing 6 by 50, we get 0 with a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 6, we get 6.
Include the next digit (9) from the dividend after 6, then repeat: 69 / 50

Moving on to step 2:
If we divide 69 by 50, we get 1 and a remainder of 19.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 50 from 69 and we're left with 19.
Fetch the next digit (7) from the dividend, attach it to 19 and continue: 197 / 50

Advancing to step 3:
197 divided by 50 is 3 with a remainder of 47.
The next digit of our result is 3. 
Result so far: 13.0
Subtracting 150 from 197 leaves us with 47.
Fetch the next digit (4) from the dividend, attach it to 47 and continue: 474 / 50

Going ahead to step 4:
474 divided by 50 is 9 with a remainder of 24.
Use 9 as the next digit of our solution. 
Result so far: 139.0
Deduct 450 from 474 and we're left with 24.
Append the next digit (5) from the dividend to 24 and continue with: 245 / 50

Advancing to step 5:
50 goes into 245 4 times with a remainder of 45.
The next digit of our result is 4. 
Result so far: 1394.0
Subtracting 200 from 245 leaves us with 45.
Include the next digit (1) from the dividend after 45, then repeat: 451 / 50

Moving on to step 6:
If we divide 451 by 50, we get 9 and a remainder of 1.
Use 9 as the next digit of our solution. 
Result so far: 13949.0
If we subtract 450 from 451, we get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Let's proceed to step 7:
If we divide 10 by 50, we get 0 and a remainder of 10.
Record the quotient 0 as the next digit in the result. 
Result so far: 13949.0
If we take 0 away from 10, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Advancing 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: 13949.02
Subtracting 100 from 100 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.

Advancing to step 9:
The number 50 fits into 0 0 times, leaving a remainder of 0.
The next digit of our result is 0. 
Result so far: 13949.02
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.

Going ahead to step 10:
50 can be fit into 0 0 times, resulting in a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 13949.02
Deduct 0 from 0 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.

The quotient of the division is 13949.02, and the remainder is 0.0.