99569498 ÷ 153 
The aim is to understand the frequency of 153 in 99569498.

Step 1:
When dividing 9 by 153, we get 0 with a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 9 to get 9.
Fetch the next digit (9) from the dividend, attach it to 9 and continue: 99 / 153

Step 2:
If we divide 99 by 153, we get 0 and a remainder of 99.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 99, we get 99.
Bring next digit (5) of the dividend behind the 99 and repeat the process: 995 / 153

Advancing to step 3:
When dividing 995 by 153, we get 6 with a remainder of 77.
Write down 6 as next digit of the result. 
Result so far: 6.0
Deduct 918 from 995 and we're left with 77.
Fetch the next digit (6) from the dividend, attach it to 77 and continue: 776 / 153

Let's proceed to step 4:
776 divided by 153 is 5 with a remainder of 11.
Record the quotient 5 as the next digit in the result. 
Result so far: 65.0
Subtract 765 from 776 to get 11.
Append the next digit (9) from the dividend to 11 and continue with: 119 / 153

Going ahead to step 5:
153 goes into 119 0 times with a remainder of 119.
Record the quotient 0 as the next digit in the result. 
Result so far: 650.0
If we take 0 away from 119, we end up with 119.
Bring next digit (4) of the dividend behind the 119 and repeat the process: 1194 / 153

Advancing to step 6:
When dividing 1194 by 153, we get 7 with a remainder of 123.
Write down 7 as next digit of the result. 
Result so far: 6507.0
If we subtract 1071 from 1194, we get 123.
Fetch the next digit (9) from the dividend, attach it to 123 and continue: 1239 / 153

Moving on to step 7:
If we divide 1239 by 153, we get 8 and a remainder of 15.
The next digit of our result is 8. 
Result so far: 65078.0
If we take 1224 away from 1239, we end up with 15.
Append the next digit (8) from the dividend to 15 and continue with: 158 / 153

Moving on to step 8:
158 divided by 153 is 1 with a remainder of 5.
Put 1 as the next digit of the answer. 
Result so far: 650781.0
If we take 153 away from 158, we end up with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Going ahead to step 9:
When dividing 50 by 153, we get 0 with a remainder of 50.
Write down 0 as next digit of the result. 
Result so far: 650781.0
Subtract 0 from 50 to 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.

On to step 10:
When dividing 500 by 153, we get 3 with a remainder of 41.
Write down 3 as next digit of the result. 
Result so far: 650781.03
Deduct 459 from 500 and we're left with 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

On to step 11:
The number 153 fits into 410 2 times, leaving a remainder of 104.
Put 2 as the next digit of the answer. 
Result so far: 650781.032
The remainder is 104 after subtracting 306 from 410.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Step 12:
When dividing 1040 by 153, we get 6 with a remainder of 122.
The number 6 becomes the next digit in our result. 
Result so far: 650781.0326
If we subtract 918 from 1040, we get 122.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1220, and continue the process.

Let's proceed to step 13:
When dividing 1220 by 153, we get 7 with a remainder of 149.
The number 7 becomes the next digit in our result. 
Result so far: 650781.03267
If we subtract 1071 from 1220, we get 149.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1490, and continue the process.

Step 14:
1490 divided by 153 is 9 with a remainder of 113.
Write down 9 as next digit of the result. 
Result so far: 650781.032679
If we take 1377 away from 1490, we end up with 113.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1130, and continue the process.

On to step 15:
When dividing 1130 by 153, we get 7 with a remainder of 59.
Write down 7 as next digit of the result. 
Result so far: 650781.0326797
The remainder is 59 after subtracting 1071 from 1130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 590, and continue the process.

Moving on to step 16:
153 goes into 590 3 times with a remainder of 131.
Use 3 as the next digit of our solution. 
Result so far: 650781.03267973
Subtract 459 from 590 to get 131.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1310, and continue the process.

The final outcome is 650781.03267973, with a leftover of 1.31e-07.