457261 divided by 15 
The aim is to understand the frequency of 15 in 457261.

Advancing to step 1:
15 goes into 4 0 times with a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 4 after subtracting 0 from 4.
Take the next digit (5) from the dividend and append it to 4, then repeat: 45 / 15

Step 2:
45 divided by 15 is 3 with a remainder of 0.
Put 3 as the next digit of the answer. 
Result so far: 3.0
If we subtract 45 from 45, we get 0.
Grab the next digit (7) from the dividend, add it to 0, then carry on: 7 / 15

Step 3:
When dividing 7 by 15, we get 0 with a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 30.0
Subtract 0 from 7 to get 7.
Append the next digit (2) from the dividend to 7 and continue with: 72 / 15

Let's proceed to step 4:
The number 15 fits into 72 4 times, leaving a remainder of 12.
Put 4 as the next digit of the answer. 
Result so far: 304.0
If we take 60 away from 72, we end up with 12.
Fetch the next digit (6) from the dividend, attach it to 12 and continue: 126 / 15

On to step 5:
15 can be fit into 126 8 times, resulting in a remainder of 6.
Record the quotient 8 as the next digit in the result. 
Result so far: 3048.0
If we take 120 away from 126, we end up with 6.
Include the next digit (1) from the dividend after 6, then repeat: 61 / 15

Advancing to step 6:
If we divide 61 by 15, we get 4 and a remainder of 1.
Write down 4 as next digit of the result. 
Result so far: 30484.0
Deduct 60 from 61 and we're left with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Step 7:
If we divide 10 by 15, we get 0 and a remainder of 10.
Put 0 as the next digit of the answer. 
Result so far: 30484.0
If we take 0 away from 10, we end up 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 8:
15 can be fit into 100 6 times, resulting in a remainder of 10.
The next digit of our result is 6. 
Result so far: 30484.06
If we take 90 away from 100, we end up 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.

Advancing to step 9:
100 divided by 15 is 6 with a remainder of 10.
Write down 6 as next digit of the result. 
Result so far: 30484.066
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.

The final outcome is 30484.066, with a leftover of 0.001.