624844 divided by 15 
The aim is to understand the frequency of 15 in 624844.

Moving on to step 1:
6 divided by 15 is 0 with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Fetch the next digit (2) from the dividend, attach it to 6 and continue: 62 / 15

Going ahead to step 2:
If we divide 62 by 15, we get 4 and a remainder of 2.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
Deduct 60 from 62 and we're left with 2.
Include the next digit (4) from the dividend after 2, then repeat: 24 / 15

Moving on to step 3:
When dividing 24 by 15, we get 1 with a remainder of 9.
The number 1 becomes the next digit in our result. 
Result so far: 41.0
The remainder is 9 after subtracting 15 from 24.
Include the next digit (8) from the dividend after 9, then repeat: 98 / 15

Moving on to step 4:
15 can be fit into 98 6 times, resulting in a remainder of 8.
Record the quotient 6 as the next digit in the result. 
Result so far: 416.0
Subtract 90 from 98 to get 8.
Take the next digit (4) from the dividend and append it to 8, then repeat: 84 / 15

Advancing to step 5:
15 can be fit into 84 5 times, resulting in a remainder of 9.
Use 5 as the next digit of our solution. 
Result so far: 4165.0
If we take 75 away from 84, we end up with 9.
Include the next digit (4) from the dividend after 9, then repeat: 94 / 15

Moving on to step 6:
The number 15 fits into 94 6 times, leaving a remainder of 4.
Put 6 as the next digit of the answer. 
Result so far: 41656.0
Subtracting 90 from 94 leaves us with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Advancing to step 7:
If we divide 40 by 15, we get 2 and a remainder of 10.
The number 2 becomes the next digit in our result. 
Result so far: 41656.2
The remainder is 10 after subtracting 30 from 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 8:
100 divided by 15 is 6 with a remainder of 10.
Put 6 as the next digit of the answer. 
Result so far: 41656.26
Deduct 90 from 100 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 9:
100 divided by 15 is 6 with a remainder of 10.
Use 6 as the next digit of our solution. 
Result so far: 41656.266
The remainder is 10 after subtracting 90 from 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

After the division, we end up with 41656.266 and a remainder of 0.001.