We look at the division of 83899909 by 828 
The aim is to understand the frequency of 828 in 83899909.

Advancing to step 1:
If we divide 8 by 828, we get 0 and a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Take the next digit (3) from the dividend and append it to 8, then repeat: 83 / 828

Advancing to step 2:
83 divided by 828 is 0 with a remainder of 83.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 83, we end up with 83.
Grab the next digit (8) from the dividend, add it to 83, then carry on: 838 / 828

Step 3:
When dividing 838 by 828, we get 1 with a remainder of 10.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 828 away from 838, we end up with 10.
Take the next digit (9) from the dividend and append it to 10, then repeat: 109 / 828

On to step 4:
When dividing 109 by 828, we get 0 with a remainder of 109.
Record the quotient 0 as the next digit in the result. 
Result so far: 10.0
Deduct 0 from 109 and we're left with 109.
Append the next digit (9) from the dividend to 109 and continue with: 1099 / 828

Let's proceed to step 5:
828 goes into 1099 1 times with a remainder of 271.
Put 1 as the next digit of the answer. 
Result so far: 101.0
Deduct 828 from 1099 and we're left with 271.
Fetch the next digit (9) from the dividend, attach it to 271 and continue: 2719 / 828

Moving on to step 6:
828 can be fit into 2719 3 times, resulting in a remainder of 235.
The number 3 becomes the next digit in our result. 
Result so far: 1013.0
Subtracting 2484 from 2719 leaves us with 235.
Bring next digit (0) of the dividend behind the 235 and repeat the process: 2350 / 828

Let's proceed to step 7:
828 goes into 2350 2 times with a remainder of 694.
Record the quotient 2 as the next digit in the result. 
Result so far: 10132.0
Deduct 1656 from 2350 and we're left with 694.
Take the next digit (9) from the dividend and append it to 694, then repeat: 6949 / 828

Advancing to step 8:
When dividing 6949 by 828, we get 8 with a remainder of 325.
The next digit of our result is 8. 
Result so far: 101328.0
The remainder is 325 after subtracting 6624 from 6949.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3250, and continue the process.

Moving on to step 9:
If we divide 3250 by 828, we get 3 and a remainder of 766.
Record the quotient 3 as the next digit in the result. 
Result so far: 101328.3
If we subtract 2484 from 3250, we get 766.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7660, and continue the process.

Step 10:
7660 divided by 828 is 9 with a remainder of 208.
The number 9 becomes the next digit in our result. 
Result so far: 101328.39
If we subtract 7452 from 7660, we get 208.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2080, and continue the process.

Going ahead to step 11:
2080 divided by 828 is 2 with a remainder of 424.
Use 2 as the next digit of our solution. 
Result so far: 101328.392
The remainder is 424 after subtracting 1656 from 2080.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4240, and continue the process.

Let's proceed to step 12:
When dividing 4240 by 828, we get 5 with a remainder of 100.
Use 5 as the next digit of our solution. 
Result so far: 101328.3925
Subtract 4140 from 4240 to get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Moving on to step 13:
1000 divided by 828 is 1 with a remainder of 172.
Write down 1 as next digit of the result. 
Result so far: 101328.39251
Subtracting 828 from 1000 leaves us with 172.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1720, and continue the process.

On to step 14:
828 can be fit into 1720 2 times, resulting in a remainder of 64.
The next digit of our result is 2. 
Result so far: 101328.392512
The remainder is 64 after subtracting 1656 from 1720.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Going ahead to step 15:
If we divide 640 by 828, we get 0 and a remainder of 640.
Put 0 as the next digit of the answer. 
Result so far: 101328.392512
If we take 0 away from 640, we end up with 640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6400, and continue the process.

Let's proceed to step 16:
828 can be fit into 6400 7 times, resulting in a remainder of 604.
Put 7 as the next digit of the answer. 
Result so far: 101328.39251207
If we take 5796 away from 6400, we end up with 604.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6040, and continue the process.

Our division results in 101328.39251207 with a remaining 6.04e-07.