We're dividing 408434 by 17 
The aim is to understand the frequency of 17 in 408434.

Let's proceed to step 1:
4 divided by 17 is 0 with a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Fetch the next digit (0) from the dividend, attach it to 4 and continue: 40 / 17

On to step 2:
The number 17 fits into 40 2 times, leaving a remainder of 6.
The next digit of our result is 2. 
Result so far: 2.0
Subtract 34 from 40 to get 6.
Fetch the next digit (8) from the dividend, attach it to 6 and continue: 68 / 17

On to step 3:
When dividing 68 by 17, we get 4 with a remainder of 0.
Put 4 as the next digit of the answer. 
Result so far: 24.0
The remainder is 0 after subtracting 68 from 68.
Grab the next digit (4) from the dividend, add it to 0, then carry on: 4 / 17

Step 4:
17 goes into 4 0 times with a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 240.0
Deduct 0 from 4 and we're left with 4.
Bring next digit (3) of the dividend behind the 4 and repeat the process: 43 / 17

Let's proceed to step 5:
17 can be fit into 43 2 times, resulting in a remainder of 9.
Use 2 as the next digit of our solution. 
Result so far: 2402.0
Deduct 34 from 43 and we're left with 9.
Append the next digit (4) from the dividend to 9 and continue with: 94 / 17

Advancing to step 6:
The number 17 fits into 94 5 times, leaving a remainder of 9.
The number 5 becomes the next digit in our result. 
Result so far: 24025.0
Deduct 85 from 94 and we're left with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

On to step 7:
The number 17 fits into 90 5 times, leaving a remainder of 5.
Use 5 as the next digit of our solution. 
Result so far: 24025.5
Deduct 85 from 90 and we're left 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 8:
17 goes into 50 2 times with a remainder of 16.
The next digit of our result is 2. 
Result so far: 24025.52
Subtracting 34 from 50 leaves us with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

On to step 9:
When dividing 160 by 17, we get 9 with a remainder of 7.
Write down 9 as next digit of the result. 
Result so far: 24025.529
Subtract 153 from 160 to get 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Let's proceed to step 10:
17 can be fit into 70 4 times, resulting in a remainder of 2.
The number 4 becomes the next digit in our result. 
Result so far: 24025.5294
If we take 68 away from 70, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Step 11:
17 can be fit into 20 1 times, resulting in a remainder of 3.
The next digit of our result is 1. 
Result so far: 24025.52941
Subtracting 17 from 20 leaves us with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Advancing to step 12:
17 can be fit into 30 1 times, resulting in a remainder of 13.
Record the quotient 1 as the next digit in the result. 
Result so far: 24025.529411
Subtracting 17 from 30 leaves us with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

The final outcome is 24025.529411, with a leftover of 1.3e-06.