630435 ÷ 99 
The aim is to understand the frequency of 99 in 630435.

Advancing to step 1:
99 can be fit into 6 0 times, resulting in a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Include the next digit (3) from the dividend after 6, then repeat: 63 / 99

On to step 2:
If we divide 63 by 99, we get 0 and a remainder of 63.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 63, we get 63.
Append the next digit (0) from the dividend to 63 and continue with: 630 / 99

Advancing to step 3:
630 divided by 99 is 6 with a remainder of 36.
Put 6 as the next digit of the answer. 
Result so far: 6.0
Subtract 594 from 630 to get 36.
Fetch the next digit (4) from the dividend, attach it to 36 and continue: 364 / 99

Step 4:
99 goes into 364 3 times with a remainder of 67.
The number 3 becomes the next digit in our result. 
Result so far: 63.0
If we subtract 297 from 364, we get 67.
Append the next digit (3) from the dividend to 67 and continue with: 673 / 99

Let's proceed to step 5:
When dividing 673 by 99, we get 6 with a remainder of 79.
The next digit of our result is 6. 
Result so far: 636.0
The remainder is 79 after subtracting 594 from 673.
Grab the next digit (5) from the dividend, add it to 79, then carry on: 795 / 99

Moving on to step 6:
795 divided by 99 is 8 with a remainder of 3.
Write down 8 as next digit of the result. 
Result so far: 6368.0
If we take 792 away from 795, we end up with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Step 7:
99 can be fit into 30 0 times, resulting in a remainder of 30.
The number 0 becomes the next digit in our result. 
Result so far: 6368.0
Deduct 0 from 30 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Let's proceed to step 8:
99 can be fit into 300 3 times, resulting in a remainder of 3.
The number 3 becomes the next digit in our result. 
Result so far: 6368.03
Deduct 297 from 300 and we're left with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Advancing to step 9:
The number 99 fits into 30 0 times, leaving a remainder of 30.
Record the quotient 0 as the next digit in the result. 
Result so far: 6368.03
Deduct 0 from 30 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Moving on to step 10:
300 divided by 99 is 3 with a remainder of 3.
The number 3 becomes the next digit in our result. 
Result so far: 6368.0303
If we take 297 away from 300, we end up with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Step 11:
The number 99 fits into 30 0 times, leaving a remainder of 30.
The number 0 becomes the next digit in our result. 
Result so far: 6368.0303
Subtract 0 from 30 to get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Going ahead to step 12:
If we divide 300 by 99, we get 3 and a remainder of 3.
Record the quotient 3 as the next digit in the result. 
Result so far: 6368.030303
The remainder is 3 after subtracting 297 from 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Going ahead to step 13:
99 can be fit into 30 0 times, resulting in a remainder of 30.
The next digit of our result is 0. 
Result so far: 6368.030303
Subtract 0 from 30 to get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Advancing to step 14:
300 divided by 99 is 3 with a remainder of 3.
The next digit of our result is 3. 
Result so far: 6368.03030303
Deduct 297 from 300 and we're left with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

The final result is 6368.03030303 with a remainder of 3e-09.