We're dividing 24480305 by 409 
The aim is to understand the frequency of 409 in 24480305.

Advancing to step 1:
The number 409 fits into 2 0 times, leaving a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 2 and we're left with 2.
Include the next digit (4) from the dividend after 2, then repeat: 24 / 409

Advancing to step 2:
409 goes into 24 0 times with a remainder of 24.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 24 to get 24.
Include the next digit (4) from the dividend after 24, then repeat: 244 / 409

Step 3:
The number 409 fits into 244 0 times, leaving a remainder of 244.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 244 to get 244.
Fetch the next digit (8) from the dividend, attach it to 244 and continue: 2448 / 409

Let's proceed to step 4:
If we divide 2448 by 409, we get 5 and a remainder of 403.
Record the quotient 5 as the next digit in the result. 
Result so far: 5.0
If we take 2045 away from 2448, we end up with 403.
Grab the next digit (0) from the dividend, add it to 403, then carry on: 4030 / 409

Advancing to step 5:
409 can be fit into 4030 9 times, resulting in a remainder of 349.
Write down 9 as next digit of the result. 
Result so far: 59.0
The remainder is 349 after subtracting 3681 from 4030.
Include the next digit (3) from the dividend after 349, then repeat: 3493 / 409

On to step 6:
3493 divided by 409 is 8 with a remainder of 221.
The number 8 becomes the next digit in our result. 
Result so far: 598.0
Subtract 3272 from 3493 to get 221.
Grab the next digit (0) from the dividend, add it to 221, then carry on: 2210 / 409

Moving on to step 7:
When dividing 2210 by 409, we get 5 with a remainder of 165.
Put 5 as the next digit of the answer. 
Result so far: 5985.0
Subtract 2045 from 2210 to get 165.
Include the next digit (5) from the dividend after 165, then repeat: 1655 / 409

Advancing to step 8:
The number 409 fits into 1655 4 times, leaving a remainder of 19.
Write down 4 as next digit of the result. 
Result so far: 59854.0
Subtract 1636 from 1655 to get 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

On to step 9:
409 can be fit into 190 0 times, resulting in a remainder of 190.
The next digit of our result is 0. 
Result so far: 59854.0
If we subtract 0 from 190, we get 190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1900, and continue the process.

Step 10:
The number 409 fits into 1900 4 times, leaving a remainder of 264.
Record the quotient 4 as the next digit in the result. 
Result so far: 59854.04
Subtracting 1636 from 1900 leaves us with 264.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2640, and continue the process.

On to step 11:
When dividing 2640 by 409, we get 6 with a remainder of 186.
Write down 6 as next digit of the result. 
Result so far: 59854.046
Deduct 2454 from 2640 and we're left with 186.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1860, and continue the process.

Let's proceed to step 12:
409 can be fit into 1860 4 times, resulting in a remainder of 224.
Put 4 as the next digit of the answer. 
Result so far: 59854.0464
Subtract 1636 from 1860 to get 224.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

Advancing to step 13:
The number 409 fits into 2240 5 times, leaving a remainder of 195.
Put 5 as the next digit of the answer. 
Result so far: 59854.04645
If we subtract 2045 from 2240, we get 195.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1950, and continue the process.

Step 14:
If we divide 1950 by 409, we get 4 and a remainder of 314.
The next digit of our result is 4. 
Result so far: 59854.046454
Subtracting 1636 from 1950 leaves us with 314.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3140, and continue the process.

Step 15:
3140 divided by 409 is 7 with a remainder of 277.
Write down 7 as next digit of the result. 
Result so far: 59854.0464547
Subtract 2863 from 3140 to get 277.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2770, and continue the process.

On to step 16:
409 goes into 2770 6 times with a remainder of 316.
Write down 6 as next digit of the result. 
Result so far: 59854.04645476
If we subtract 2454 from 2770, we get 316.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3160, and continue the process.

The final result is 59854.04645476 with a remainder of 3.16e-07.