84955808 divided by 405 
The aim is to understand the frequency of 405 in 84955808.

Step 1:
8 divided by 405 is 0 with a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Bring next digit (4) of the dividend behind the 8 and repeat the process: 84 / 405

On to step 2:
405 can be fit into 84 0 times, resulting in a remainder of 84.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 84, we get 84.
Append the next digit (9) from the dividend to 84 and continue with: 849 / 405

On to step 3:
405 goes into 849 2 times with a remainder of 39.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Subtract 810 from 849 to get 39.
Grab the next digit (5) from the dividend, add it to 39, then carry on: 395 / 405

Step 4:
405 can be fit into 395 0 times, resulting in a remainder of 395.
Write down 0 as next digit of the result. 
Result so far: 20.0
If we take 0 away from 395, we end up with 395.
Grab the next digit (5) from the dividend, add it to 395, then carry on: 3955 / 405

Advancing to step 5:
405 can be fit into 3955 9 times, resulting in a remainder of 310.
Use 9 as the next digit of our solution. 
Result so far: 209.0
Deduct 3645 from 3955 and we're left with 310.
Include the next digit (8) from the dividend after 310, then repeat: 3108 / 405

Advancing to step 6:
3108 divided by 405 is 7 with a remainder of 273.
Use 7 as the next digit of our solution. 
Result so far: 2097.0
If we take 2835 away from 3108, we end up with 273.
Append the next digit (0) from the dividend to 273 and continue with: 2730 / 405

Let's proceed to step 7:
When dividing 2730 by 405, we get 6 with a remainder of 300.
Write down 6 as next digit of the result. 
Result so far: 20976.0
If we take 2430 away from 2730, we end up with 300.
Grab the next digit (8) from the dividend, add it to 300, then carry on: 3008 / 405

Advancing to step 8:
3008 divided by 405 is 7 with a remainder of 173.
Put 7 as the next digit of the answer. 
Result so far: 209767.0
Subtract 2835 from 3008 to get 173.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1730, and continue the process.

Let's proceed to step 9:
When dividing 1730 by 405, we get 4 with a remainder of 110.
The number 4 becomes the next digit in our result. 
Result so far: 209767.4
Subtracting 1620 from 1730 leaves us with 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Step 10:
405 can be fit into 1100 2 times, resulting in a remainder of 290.
Write down 2 as next digit of the result. 
Result so far: 209767.42
Deduct 810 from 1100 and we're left with 290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2900, and continue the process.

Let's proceed to step 11:
When dividing 2900 by 405, we get 7 with a remainder of 65.
Put 7 as the next digit of the answer. 
Result so far: 209767.427
The remainder is 65 after subtracting 2835 from 2900.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Let's proceed to step 12:
If we divide 650 by 405, we get 1 and a remainder of 245.
Put 1 as the next digit of the answer. 
Result so far: 209767.4271
Subtract 405 from 650 to get 245.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2450, and continue the process.

Moving on to step 13:
405 can be fit into 2450 6 times, resulting in a remainder of 20.
Put 6 as the next digit of the answer. 
Result so far: 209767.42716
The remainder is 20 after subtracting 2430 from 2450.
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 14:
405 can be fit into 200 0 times, resulting in a remainder of 200.
The number 0 becomes the next digit in our result. 
Result so far: 209767.42716
If we take 0 away from 200, we end up with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Let's proceed to step 15:
When dividing 2000 by 405, we get 4 with a remainder of 380.
The number 4 becomes the next digit in our result. 
Result so far: 209767.4271604
The remainder is 380 after subtracting 1620 from 2000.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3800, and continue the process.

Moving on to step 16:
If we divide 3800 by 405, we get 9 and a remainder of 155.
Write down 9 as next digit of the result. 
Result so far: 209767.42716049
Deduct 3645 from 3800 and we're left with 155.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1550, and continue the process.

Our division results in 209767.42716049 with a remaining 1.55e-07.