13555158 divided by 260 
The aim is to understand the frequency of 260 in 13555158.

Let's proceed to step 1:
If we divide 1 by 260, we get 0 and 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.
Bring next digit (3) of the dividend behind the 1 and repeat the process: 13 / 260

Going ahead to step 2:
If we divide 13 by 260, we get 0 and a remainder of 13.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 13 to get 13.
Fetch the next digit (5) from the dividend, attach it to 13 and continue: 135 / 260

Advancing to step 3:
135 divided by 260 is 0 with a remainder of 135.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 135 leaves us with 135.
Append the next digit (5) from the dividend to 135 and continue with: 1355 / 260

On to step 4:
1355 divided by 260 is 5 with a remainder of 55.
Use 5 as the next digit of our solution. 
Result so far: 5.0
If we take 1300 away from 1355, we end up with 55.
Fetch the next digit (5) from the dividend, attach it to 55 and continue: 555 / 260

Advancing to step 5:
The number 260 fits into 555 2 times, leaving a remainder of 35.
Use 2 as the next digit of our solution. 
Result so far: 52.0
If we take 520 away from 555, we end up with 35.
Take the next digit (1) from the dividend and append it to 35, then repeat: 351 / 260

Going ahead to step 6:
351 divided by 260 is 1 with a remainder of 91.
The number 1 becomes the next digit in our result. 
Result so far: 521.0
The remainder is 91 after subtracting 260 from 351.
Grab the next digit (5) from the dividend, add it to 91, then carry on: 915 / 260

Advancing to step 7:
915 divided by 260 is 3 with a remainder of 135.
The next digit of our result is 3. 
Result so far: 5213.0
Subtracting 780 from 915 leaves us with 135.
Take the next digit (8) from the dividend and append it to 135, then repeat: 1358 / 260

Moving on to step 8:
When dividing 1358 by 260, we get 5 with a remainder of 58.
Write down 5 as next digit of the result. 
Result so far: 52135.0
Subtracting 1300 from 1358 leaves us with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Advancing to step 9:
If we divide 580 by 260, we get 2 and a remainder of 60.
The next digit of our result is 2. 
Result so far: 52135.2
The remainder is 60 after subtracting 520 from 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Moving on to step 10:
260 can be fit into 600 2 times, resulting in a remainder of 80.
The next digit of our result is 2. 
Result so far: 52135.22
Deduct 520 from 600 and we're left with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

After the division, we end up with 52135.22 and a remainder of 0.08.