We're dividing 135279 by 53 
The aim is to understand the frequency of 53 in 135279.

Advancing to step 1:
When dividing 1 by 53, we get 0 with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Include the next digit (3) from the dividend after 1, then repeat: 13 / 53

Step 2:
When dividing 13 by 53, we get 0 with a remainder of 13.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 13 to get 13.
Take the next digit (5) from the dividend and append it to 13, then repeat: 135 / 53

Moving on to step 3:
135 divided by 53 is 2 with a remainder of 29.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Subtracting 106 from 135 leaves us with 29.
Append the next digit (2) from the dividend to 29 and continue with: 292 / 53

Step 4:
292 divided by 53 is 5 with a remainder of 27.
The number 5 becomes the next digit in our result. 
Result so far: 25.0
Deduct 265 from 292 and we're left with 27.
Bring next digit (7) of the dividend behind the 27 and repeat the process: 277 / 53

Advancing to step 5:
If we divide 277 by 53, we get 5 and a remainder of 12.
Record the quotient 5 as the next digit in the result. 
Result so far: 255.0
The remainder is 12 after subtracting 265 from 277.
Append the next digit (9) from the dividend to 12 and continue with: 129 / 53

Step 6:
53 can be fit into 129 2 times, resulting in a remainder of 23.
Write down 2 as next digit of the result. 
Result so far: 2552.0
Subtracting 106 from 129 leaves us with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Moving on to step 7:
When dividing 230 by 53, we get 4 with a remainder of 18.
Record the quotient 4 as the next digit in the result. 
Result so far: 2552.4
If we take 212 away from 230, we end up with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Step 8:
53 can be fit into 180 3 times, resulting in a remainder of 21.
Put 3 as the next digit of the answer. 
Result so far: 2552.43
If we subtract 159 from 180, we get 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Advancing to step 9:
When dividing 210 by 53, we get 3 with a remainder of 51.
Write down 3 as next digit of the result. 
Result so far: 2552.433
If we subtract 159 from 210, we get 51.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

After the division, we end up with 2552.433 and a remainder of 0.0051.