We divide 170868 by 99
The aim is to understand the frequency of 99 in 170868.

Advancing to step 1:
When dividing 1 by 99, we get 0 with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Bring next digit (7) of the dividend behind the 1 and repeat the process: 17 / 99

Advancing to step 2:
99 goes into 17 0 times with a remainder of 17.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 17 and we're left with 17.
Fetch the next digit (0) from the dividend, attach it to 17 and continue: 170 / 99

Moving on to step 3:
When dividing 170 by 99, we get 1 with a remainder of 71.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtract 99 from 170 to get 71.
Grab the next digit (8) from the dividend, add it to 71, then carry on: 718 / 99

Advancing to step 4:
If we divide 718 by 99, we get 7 and a remainder of 25.
Record the quotient 7 as the next digit in the result. 
Result so far: 17.0
If we take 693 away from 718, we end up with 25.
Grab the next digit (6) from the dividend, add it to 25, then carry on: 256 / 99

Let's proceed to step 5:
The number 99 fits into 256 2 times, leaving a remainder of 58.
Write down 2 as next digit of the result. 
Result so far: 172.0
Subtract 198 from 256 to get 58.
Take the next digit (8) from the dividend and append it to 58, then repeat: 588 / 99

On to step 6:
99 can be fit into 588 5 times, resulting in a remainder of 93.
Put 5 as the next digit of the answer. 
Result so far: 1725.0
Subtract 495 from 588 to get 93.
Since there are no more digits in the dividend, we add a zero to the remainder making it 930, and continue the process.

Going ahead to step 7:
The number 99 fits into 930 9 times, leaving a remainder of 39.
Use 9 as the next digit of our solution. 
Result so far: 1725.9
Deduct 891 from 930 and we're left with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Let's proceed to step 8:
When dividing 390 by 99, we get 3 with a remainder of 93.
Put 3 as the next digit of the answer. 
Result so far: 1725.93
If we subtract 297 from 390, we get 93.
Since there are no more digits in the dividend, we add a zero to the remainder making it 930, and continue the process.

Going ahead to step 9:
When dividing 930 by 99, we get 9 with a remainder of 39.
Use 9 as the next digit of our solution. 
Result so far: 1725.939
Subtracting 891 from 930 leaves us with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Going ahead to step 10:
The number 99 fits into 390 3 times, leaving a remainder of 93.
The number 3 becomes the next digit in our result. 
Result so far: 1725.9393
Subtracting 297 from 390 leaves us with 93.
Since there are no more digits in the dividend, we add a zero to the remainder making it 930, and continue the process.

Let's proceed to step 11:
The number 99 fits into 930 9 times, leaving a remainder of 39.
Record the quotient 9 as the next digit in the result. 
Result so far: 1725.93939
If we subtract 891 from 930, we get 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

On to step 12:
99 can be fit into 390 3 times, resulting in a remainder of 93.
Record the quotient 3 as the next digit in the result. 
Result so far: 1725.939393
If we subtract 297 from 390, we get 93.
Since there are no more digits in the dividend, we add a zero to the remainder making it 930, and continue the process.

Step 13:
99 goes into 930 9 times with a remainder of 39.
Put 9 as the next digit of the answer. 
Result so far: 1725.9393939
Deduct 891 from 930 and we're left with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Moving on to step 14:
If we divide 390 by 99, we get 3 and a remainder of 93.
Record the quotient 3 as the next digit in the result. 
Result so far: 1725.93939393
Deduct 297 from 390 and we're left with 93.
Since there are no more digits in the dividend, we add a zero to the remainder making it 930, and continue the process.

In conclusion, the division gives 1725.93939393 with a balance of 9.3e-08.