717302 ÷ 15 
The aim is to understand the frequency of 15 in 717302.

Going ahead to step 1:
15 can be fit into 7 0 times, resulting in a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Append the next digit (1) from the dividend to 7 and continue with: 71 / 15

Let's proceed to step 2:
15 can be fit into 71 4 times, resulting in a remainder of 11.
Write down 4 as next digit of the result. 
Result so far: 4.0
Deduct 60 from 71 and we're left with 11.
Take the next digit (7) from the dividend and append it to 11, then repeat: 117 / 15

On to step 3:
The number 15 fits into 117 7 times, leaving a remainder of 12.
Write down 7 as next digit of the result. 
Result so far: 47.0
Subtracting 105 from 117 leaves us with 12.
Fetch the next digit (3) from the dividend, attach it to 12 and continue: 123 / 15

Advancing to step 4:
15 can be fit into 123 8 times, resulting in a remainder of 3.
Put 8 as the next digit of the answer. 
Result so far: 478.0
Deduct 120 from 123 and we're left with 3.
Append the next digit (0) from the dividend to 3 and continue with: 30 / 15

Moving on to step 5:
15 goes into 30 2 times with a remainder of 0.
Write down 2 as next digit of the result. 
Result so far: 4782.0
Subtracting 30 from 30 leaves us with 0.
Bring next digit (2) of the dividend behind the 0 and repeat the process: 2 / 15

On to step 6:
2 divided by 15 is 0 with a remainder of 2.
The next digit of our result is 0. 
Result so far: 47820.0
If we take 0 away from 2, 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.

Advancing to step 7:
The number 15 fits into 20 1 times, leaving a remainder of 5.
Put 1 as the next digit of the answer. 
Result so far: 47820.1
Subtracting 15 from 20 leaves us 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.

Advancing to step 8:
If we divide 50 by 15, we get 3 and a remainder of 5.
The number 3 becomes the next digit in our result. 
Result so far: 47820.13
The remainder is 5 after subtracting 45 from 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Advancing to step 9:
When dividing 50 by 15, we get 3 with a remainder of 5.
The number 3 becomes the next digit in our result. 
Result so far: 47820.133
If we take 45 away from 50, we end up 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.

After the division, we end up with 47820.133 and a remainder of 0.0005.