We look at the division of 503747 by 99 
The aim is to understand the frequency of 99 in 503747.

Let's proceed to step 1:
The number 99 fits into 5 0 times, leaving a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Grab the next digit (0) from the dividend, add it to 5, then carry on: 50 / 99

Let's proceed to step 2:
When dividing 50 by 99, we get 0 with a remainder of 50.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 50 after subtracting 0 from 50.
Append the next digit (3) from the dividend to 50 and continue with: 503 / 99

Going ahead to step 3:
503 divided by 99 is 5 with a remainder of 8.
Use 5 as the next digit of our solution. 
Result so far: 5.0
If we take 495 away from 503, we end up with 8.
Take the next digit (7) from the dividend and append it to 8, then repeat: 87 / 99

Moving on to step 4:
87 divided by 99 is 0 with a remainder of 87.
The next digit of our result is 0. 
Result so far: 50.0
Deduct 0 from 87 and we're left with 87.
Grab the next digit (4) from the dividend, add it to 87, then carry on: 874 / 99

Moving on to step 5:
99 can be fit into 874 8 times, resulting in a remainder of 82.
Record the quotient 8 as the next digit in the result. 
Result so far: 508.0
Deduct 792 from 874 and we're left with 82.
Append the next digit (7) from the dividend to 82 and continue with: 827 / 99

On to step 6:
99 goes into 827 8 times with a remainder of 35.
Write down 8 as next digit of the result. 
Result so far: 5088.0
Deduct 792 from 827 and we're left with 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

On to step 7:
When dividing 350 by 99, we get 3 with a remainder of 53.
Write down 3 as next digit of the result. 
Result so far: 5088.3
Deduct 297 from 350 and we're left with 53.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

On to step 8:
99 goes into 530 5 times with a remainder of 35.
Record the quotient 5 as the next digit in the result. 
Result so far: 5088.35
Deduct 495 from 530 and we're left with 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Step 9:
When dividing 350 by 99, we get 3 with a remainder of 53.
Record the quotient 3 as the next digit in the result. 
Result so far: 5088.353
Deduct 297 from 350 and we're left with 53.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

Going ahead to step 10:
If we divide 530 by 99, we get 5 and a remainder of 35.
The next digit of our result is 5. 
Result so far: 5088.3535
Subtracting 495 from 530 leaves us with 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Step 11:
When dividing 350 by 99, we get 3 with a remainder of 53.
Use 3 as the next digit of our solution. 
Result so far: 5088.35353
If we take 297 away from 350, we end up with 53.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

Let's proceed to step 12:
When dividing 530 by 99, we get 5 with a remainder of 35.
Record the quotient 5 as the next digit in the result. 
Result so far: 5088.353535
Subtract 495 from 530 to get 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Going ahead to step 13:
99 can be fit into 350 3 times, resulting in a remainder of 53.
Write down 3 as next digit of the result. 
Result so far: 5088.3535353
Deduct 297 from 350 and we're left with 53.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

Let's proceed to step 14:
99 goes into 530 5 times with a remainder of 35.
The next digit of our result is 5. 
Result so far: 5088.35353535
Subtract 495 from 530 to get 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

The final outcome is 5088.35353535, with a leftover of 3.5e-08.