We divide 454869 by 53
The aim is to understand the frequency of 53 in 454869.

On to step 1:
When dividing 4 by 53, we get 0 with a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Fetch the next digit (5) from the dividend, attach it to 4 and continue: 45 / 53

On to step 2:
53 can be fit into 45 0 times, resulting in a remainder of 45.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 45, we get 45.
Append the next digit (4) from the dividend to 45 and continue with: 454 / 53

On to step 3:
53 goes into 454 8 times with a remainder of 30.
Use 8 as the next digit of our solution. 
Result so far: 8.0
Subtracting 424 from 454 leaves us with 30.
Grab the next digit (8) from the dividend, add it to 30, then carry on: 308 / 53

Advancing to step 4:
53 goes into 308 5 times with a remainder of 43.
Write down 5 as next digit of the result. 
Result so far: 85.0
If we take 265 away from 308, we end up with 43.
Grab the next digit (6) from the dividend, add it to 43, then carry on: 436 / 53

Let's proceed to step 5:
436 divided by 53 is 8 with a remainder of 12.
Write down 8 as next digit of the result. 
Result so far: 858.0
Deduct 424 from 436 and we're left with 12.
Include the next digit (9) from the dividend after 12, then repeat: 129 / 53

Advancing to step 6:
When dividing 129 by 53, we get 2 with a remainder of 23.
The number 2 becomes the next digit in our result. 
Result so far: 8582.0
If we take 106 away from 129, we end up 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.

Step 7:
The number 53 fits into 230 4 times, leaving a remainder of 18.
The number 4 becomes the next digit in our result. 
Result so far: 8582.4
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.

On to step 8:
When dividing 180 by 53, we get 3 with a remainder of 21.
The number 3 becomes the next digit in our result. 
Result so far: 8582.43
Deduct 159 from 180 and we're left with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Let's proceed to step 9:
If we divide 210 by 53, we get 3 and a remainder of 51.
Write down 3 as next digit of the result. 
Result so far: 8582.433
If we take 159 away from 210, we end up with 51.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

The final outcome is 8582.433, with a leftover of 0.0051.