We're dividing 80410099 by 346 
The aim is to understand the frequency of 346 in 80410099.

Step 1:
346 goes into 8 0 times with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Fetch the next digit (0) from the dividend, attach it to 8 and continue: 80 / 346

Step 2:
346 can be fit into 80 0 times, resulting in a remainder of 80.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 80, we end up with 80.
Take the next digit (4) from the dividend and append it to 80, then repeat: 804 / 346

On to step 3:
The number 346 fits into 804 2 times, leaving a remainder of 112.
Write down 2 as next digit of the result. 
Result so far: 2.0
Subtract 692 from 804 to get 112.
Bring next digit (1) of the dividend behind the 112 and repeat the process: 1121 / 346

Let's proceed to step 4:
When dividing 1121 by 346, we get 3 with a remainder of 83.
Use 3 as the next digit of our solution. 
Result so far: 23.0
If we take 1038 away from 1121, we end up with 83.
Take the next digit (0) from the dividend and append it to 83, then repeat: 830 / 346

On to step 5:
346 can be fit into 830 2 times, resulting in a remainder of 138.
Put 2 as the next digit of the answer. 
Result so far: 232.0
Subtract 692 from 830 to get 138.
Bring next digit (0) of the dividend behind the 138 and repeat the process: 1380 / 346

Step 6:
The number 346 fits into 1380 3 times, leaving a remainder of 342.
Record the quotient 3 as the next digit in the result. 
Result so far: 2323.0
Deduct 1038 from 1380 and we're left with 342.
Include the next digit (9) from the dividend after 342, then repeat: 3429 / 346

Advancing to step 7:
The number 346 fits into 3429 9 times, leaving a remainder of 315.
Put 9 as the next digit of the answer. 
Result so far: 23239.0
Deduct 3114 from 3429 and we're left with 315.
Append the next digit (9) from the dividend to 315 and continue with: 3159 / 346

Step 8:
346 can be fit into 3159 9 times, resulting in a remainder of 45.
The number 9 becomes the next digit in our result. 
Result so far: 232399.0
Deduct 3114 from 3159 and we're left with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Advancing to step 9:
450 divided by 346 is 1 with a remainder of 104.
Record the quotient 1 as the next digit in the result. 
Result so far: 232399.1
The remainder is 104 after subtracting 346 from 450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Let's proceed to step 10:
When dividing 1040 by 346, we get 3 with a remainder of 2.
Put 3 as the next digit of the answer. 
Result so far: 232399.13
If we subtract 1038 from 1040, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Let's proceed to step 11:
346 goes into 20 0 times with a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 232399.13
If we subtract 0 from 20, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 12:
If we divide 200 by 346, we get 0 and a remainder of 200.
Record the quotient 0 as the next digit in the result. 
Result so far: 232399.13
If we subtract 0 from 200, we get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

The final result is 232399.13 with a remainder of 0.002.