We look at the division of 15042332 by 809 
The aim is to understand the frequency of 809 in 15042332.

Going ahead to step 1:
809 can be fit into 1 0 times, resulting in a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Grab the next digit (5) from the dividend, add it to 1, then carry on: 15 / 809

Moving on to step 2:
809 goes into 15 0 times with a remainder of 15.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 15 after subtracting 0 from 15.
Fetch the next digit (0) from the dividend, attach it to 15 and continue: 150 / 809

Advancing to step 3:
809 can be fit into 150 0 times, resulting in a remainder of 150.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 150, we get 150.
Grab the next digit (4) from the dividend, add it to 150, then carry on: 1504 / 809

Let's proceed to step 4:
809 can be fit into 1504 1 times, resulting in a remainder of 695.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 695 after subtracting 809 from 1504.
Take the next digit (2) from the dividend and append it to 695, then repeat: 6952 / 809

Step 5:
If we divide 6952 by 809, we get 8 and a remainder of 480.
Record the quotient 8 as the next digit in the result. 
Result so far: 18.0
Subtract 6472 from 6952 to get 480.
Take the next digit (3) from the dividend and append it to 480, then repeat: 4803 / 809

Let's proceed to step 6:
When dividing 4803 by 809, we get 5 with a remainder of 758.
Use 5 as the next digit of our solution. 
Result so far: 185.0
The remainder is 758 after subtracting 4045 from 4803.
Include the next digit (3) from the dividend after 758, then repeat: 7583 / 809

On to step 7:
If we divide 7583 by 809, we get 9 and a remainder of 302.
The next digit of our result is 9. 
Result so far: 1859.0
If we take 7281 away from 7583, we end up with 302.
Bring next digit (2) of the dividend behind the 302 and repeat the process: 3022 / 809

Let's proceed to step 8:
3022 divided by 809 is 3 with a remainder of 595.
Put 3 as the next digit of the answer. 
Result so far: 18593.0
The remainder is 595 after subtracting 2427 from 3022.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5950, and continue the process.

Going ahead to step 9:
809 goes into 5950 7 times with a remainder of 287.
Record the quotient 7 as the next digit in the result. 
Result so far: 18593.7
Subtract 5663 from 5950 to get 287.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2870, and continue the process.

On to step 10:
2870 divided by 809 is 3 with a remainder of 443.
The next digit of our result is 3. 
Result so far: 18593.73
If we take 2427 away from 2870, we end up with 443.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4430, and continue the process.

Advancing to step 11:
If we divide 4430 by 809, we get 5 and a remainder of 385.
Use 5 as the next digit of our solution. 
Result so far: 18593.735
The remainder is 385 after subtracting 4045 from 4430.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3850, and continue the process.

On to step 12:
When dividing 3850 by 809, we get 4 with a remainder of 614.
Put 4 as the next digit of the answer. 
Result so far: 18593.7354
Deduct 3236 from 3850 and we're left with 614.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6140, and continue the process.

Going ahead to step 13:
The number 809 fits into 6140 7 times, leaving a remainder of 477.
Record the quotient 7 as the next digit in the result. 
Result so far: 18593.73547
If we take 5663 away from 6140, we end up with 477.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4770, and continue the process.

Let's proceed to step 14:
If we divide 4770 by 809, we get 5 and a remainder of 725.
Write down 5 as next digit of the result. 
Result so far: 18593.735475
If we take 4045 away from 4770, we end up with 725.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7250, and continue the process.

Advancing to step 15:
809 can be fit into 7250 8 times, resulting in a remainder of 778.
Use 8 as the next digit of our solution. 
Result so far: 18593.7354758
Subtracting 6472 from 7250 leaves us with 778.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7780, and continue the process.

Going ahead to step 16:
809 goes into 7780 9 times with a remainder of 499.
Write down 9 as next digit of the result. 
Result so far: 18593.73547589
The remainder is 499 after subtracting 7281 from 7780.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4990, and continue the process.

The final outcome is 18593.73547589, with a leftover of 4.99e-07.