88160 divided by 99 
The aim is to understand the frequency of 99 in 88160.

Moving on to step 1:
8 divided by 99 is 0 with a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Fetch the next digit (8) from the dividend, attach it to 8 and continue: 88 / 99

Advancing to step 2:
99 can be fit into 88 0 times, resulting in a remainder of 88.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 88, we get 88.
Include the next digit (1) from the dividend after 88, then repeat: 881 / 99

On to step 3:
881 divided by 99 is 8 with a remainder of 89.
Record the quotient 8 as the next digit in the result. 
Result so far: 8.0
Subtracting 792 from 881 leaves us with 89.
Grab the next digit (6) from the dividend, add it to 89, then carry on: 896 / 99

Going ahead to step 4:
99 goes into 896 9 times with a remainder of 5.
Write down 9 as next digit of the result. 
Result so far: 89.0
If we subtract 891 from 896, we get 5.
Append the next digit (0) from the dividend to 5 and continue with: 50 / 99

On to step 5:
99 can be fit into 50 0 times, resulting in a remainder of 50.
Use 0 as the next digit of our solution. 
Result so far: 890.0
Deduct 0 from 50 and we're left with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

On to step 6:
500 divided by 99 is 5 with a remainder of 5.
Write down 5 as next digit of the result. 
Result so far: 890.5
Subtract 495 from 500 to get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Moving on to step 7:
The number 99 fits into 50 0 times, leaving a remainder of 50.
The next digit of our result is 0. 
Result so far: 890.5
If we take 0 away from 50, we end up with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 8:
99 goes into 500 5 times with a remainder of 5.
The next digit of our result is 5. 
Result so far: 890.505
If we subtract 495 from 500, we get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

On to step 9:
The number 99 fits into 50 0 times, leaving a remainder of 50.
Record the quotient 0 as the next digit in the result. 
Result so far: 890.505
If we take 0 away from 50, we end up with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

On to step 10:
If we divide 500 by 99, we get 5 and a remainder of 5.
The next digit of our result is 5. 
Result so far: 890.50505
If we subtract 495 from 500, we get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Step 11:
The number 99 fits into 50 0 times, leaving a remainder of 50.
The number 0 becomes the next digit in our result. 
Result so far: 890.50505
Deduct 0 from 50 and we're left with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Let's proceed to step 12:
99 can be fit into 500 5 times, resulting in a remainder of 5.
The number 5 becomes the next digit in our result. 
Result so far: 890.5050505
If we subtract 495 from 500, we get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Let's proceed to step 13:
When dividing 50 by 99, we get 0 with a remainder of 50.
Write down 0 as next digit of the result. 
Result so far: 890.5050505
If we subtract 0 from 50, we get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

The final outcome is 890.5050505, with a leftover of 5e-08.