13303 divided by 78 
The aim is to understand the frequency of 78 in 13303.

On to step 1:
The number 78 fits into 1 0 times, leaving a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Take the next digit (3) from the dividend and append it to 1, then repeat: 13 / 78

On to step 2:
13 divided by 78 is 0 with a remainder of 13.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 13, we end up with 13.
Include the next digit (3) from the dividend after 13, then repeat: 133 / 78

Let's proceed to step 3:
78 can be fit into 133 1 times, resulting in a remainder of 55.
The next digit of our result is 1. 
Result so far: 1.0
If we take 78 away from 133, we end up with 55.
Fetch the next digit (0) from the dividend, attach it to 55 and continue: 550 / 78

On to step 4:
The number 78 fits into 550 7 times, leaving a remainder of 4.
The number 7 becomes the next digit in our result. 
Result so far: 17.0
The remainder is 4 after subtracting 546 from 550.
Fetch the next digit (3) from the dividend, attach it to 4 and continue: 43 / 78

On to step 5:
78 goes into 43 0 times with a remainder of 43.
The number 0 becomes the next digit in our result. 
Result so far: 170.0
If we take 0 away from 43, we end up with 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Let's proceed to step 6:
78 goes into 430 5 times with a remainder of 40.
Write down 5 as next digit of the result. 
Result so far: 170.5
Deduct 390 from 430 and we're left with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 7:
78 goes into 400 5 times with a remainder of 10.
The number 5 becomes the next digit in our result. 
Result so far: 170.55
The remainder is 10 after subtracting 390 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Our division results in 170.55 with a remaining 0.01.