We divide 210257 by 53
The aim is to understand the frequency of 53 in 210257.

Step 1:
The number 53 fits into 2 0 times, leaving a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Append the next digit (1) from the dividend to 2 and continue with: 21 / 53

Advancing to step 2:
When dividing 21 by 53, we get 0 with a remainder of 21.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 21 to get 21.
Bring next digit (0) of the dividend behind the 21 and repeat the process: 210 / 53

Advancing to step 3:
53 goes into 210 3 times with a remainder of 51.
Use 3 as the next digit of our solution. 
Result so far: 3.0
Deduct 159 from 210 and we're left with 51.
Grab the next digit (2) from the dividend, add it to 51, then carry on: 512 / 53

Going ahead to step 4:
If we divide 512 by 53, we get 9 and a remainder of 35.
Put 9 as the next digit of the answer. 
Result so far: 39.0
Deduct 477 from 512 and we're left with 35.
Fetch the next digit (5) from the dividend, attach it to 35 and continue: 355 / 53

Step 5:
53 goes into 355 6 times with a remainder of 37.
The number 6 becomes the next digit in our result. 
Result so far: 396.0
If we take 318 away from 355, we end up with 37.
Bring next digit (7) of the dividend behind the 37 and repeat the process: 377 / 53

Moving on to step 6:
53 can be fit into 377 7 times, resulting in a remainder of 6.
The number 7 becomes the next digit in our result. 
Result so far: 3967.0
If we subtract 371 from 377, we get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Moving on to step 7:
53 goes into 60 1 times with a remainder of 7.
The number 1 becomes the next digit in our result. 
Result so far: 3967.1
The remainder is 7 after subtracting 53 from 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Going ahead to step 8:
When dividing 70 by 53, we get 1 with a remainder of 17.
Put 1 as the next digit of the answer. 
Result so far: 3967.11
If we subtract 53 from 70, we get 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

After the division, we end up with 3967.11 and a remainder of 0.017.