545502 ÷ 99 
The aim is to understand the frequency of 99 in 545502.

Moving on to step 1:
When dividing 5 by 99, we get 0 with a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Take the next digit (4) from the dividend and append it to 5, then repeat: 54 / 99

Moving on to step 2:
If we divide 54 by 99, we get 0 and a remainder of 54.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 54, we end up with 54.
Include the next digit (5) from the dividend after 54, then repeat: 545 / 99

Advancing to step 3:
When dividing 545 by 99, we get 5 with a remainder of 50.
Record the quotient 5 as the next digit in the result. 
Result so far: 5.0
Deduct 495 from 545 and we're left with 50.
Grab the next digit (5) from the dividend, add it to 50, then carry on: 505 / 99

Going ahead to step 4:
When dividing 505 by 99, we get 5 with a remainder of 10.
Record the quotient 5 as the next digit in the result. 
Result so far: 55.0
Deduct 495 from 505 and we're left with 10.
Append the next digit (0) from the dividend to 10 and continue with: 100 / 99

Moving on to step 5:
If we divide 100 by 99, we get 1 and a remainder of 1.
Record the quotient 1 as the next digit in the result. 
Result so far: 551.0
Subtract 99 from 100 to get 1.
Fetch the next digit (2) from the dividend, attach it to 1 and continue: 12 / 99

Going ahead to step 6:
12 divided by 99 is 0 with a remainder of 12.
Use 0 as the next digit of our solution. 
Result so far: 5510.0
Subtract 0 from 12 to 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.

On to step 7:
The number 99 fits into 120 1 times, leaving a remainder of 21.
The next digit of our result is 1. 
Result so far: 5510.1
If we take 99 away from 120, we end up with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Going ahead to step 8:
210 divided by 99 is 2 with a remainder of 12.
Put 2 as the next digit of the answer. 
Result so far: 5510.12
The remainder is 12 after subtracting 198 from 210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Moving on to step 9:
When dividing 120 by 99, we get 1 with a remainder of 21.
The number 1 becomes the next digit in our result. 
Result so far: 5510.121
The remainder is 21 after subtracting 99 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Step 10:
When dividing 210 by 99, we get 2 with a remainder of 12.
Put 2 as the next digit of the answer. 
Result so far: 5510.1212
The remainder is 12 after subtracting 198 from 210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Moving on to step 11:
120 divided by 99 is 1 with a remainder of 21.
The number 1 becomes the next digit in our result. 
Result so far: 5510.12121
The remainder is 21 after subtracting 99 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Step 12:
When dividing 210 by 99, we get 2 with a remainder of 12.
Put 2 as the next digit of the answer. 
Result so far: 5510.121212
Subtract 198 from 210 to 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.

Let's proceed to step 13:
The number 99 fits into 120 1 times, leaving a remainder of 21.
Write down 1 as next digit of the result. 
Result so far: 5510.1212121
Subtracting 99 from 120 leaves us with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Step 14:
99 goes into 210 2 times with a remainder of 12.
Use 2 as the next digit of our solution. 
Result so far: 5510.12121212
Subtracting 198 from 210 leaves us with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

After the division, we end up with 5510.12121212 and a remainder of 1.2e-08.