Let's divide 257533 by 40
The aim is to understand the frequency of 40 in 257533.

Advancing to step 1:
If we divide 2 by 40, we get 0 and a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Bring next digit (5) of the dividend behind the 2 and repeat the process: 25 / 40

Moving on to step 2:
40 can be fit into 25 0 times, resulting in a remainder of 25.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 25 to get 25.
Bring next digit (7) of the dividend behind the 25 and repeat the process: 257 / 40

On to step 3:
40 can be fit into 257 6 times, resulting in a remainder of 17.
Use 6 as the next digit of our solution. 
Result so far: 6.0
Subtracting 240 from 257 leaves us with 17.
Include the next digit (5) from the dividend after 17, then repeat: 175 / 40

On to step 4:
When dividing 175 by 40, we get 4 with a remainder of 15.
Put 4 as the next digit of the answer. 
Result so far: 64.0
If we subtract 160 from 175, we get 15.
Include the next digit (3) from the dividend after 15, then repeat: 153 / 40

Going ahead to step 5:
The number 40 fits into 153 3 times, leaving a remainder of 33.
Put 3 as the next digit of the answer. 
Result so far: 643.0
Subtract 120 from 153 to get 33.
Append the next digit (3) from the dividend to 33 and continue with: 333 / 40

Moving on to step 6:
40 can be fit into 333 8 times, resulting in a remainder of 13.
Record the quotient 8 as the next digit in the result. 
Result so far: 6438.0
Subtracting 320 from 333 leaves us with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Moving on to step 7:
If we divide 130 by 40, we get 3 and a remainder of 10.
Record the quotient 3 as the next digit in the result. 
Result so far: 6438.3
Subtract 120 from 130 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 8:
If we divide 100 by 40, we get 2 and a remainder of 20.
Put 2 as the next digit of the answer. 
Result so far: 6438.32
If we subtract 80 from 100, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 9:
200 divided by 40 is 5 with a remainder of 0.
The number 5 becomes the next digit in our result. 
Result so far: 6438.325
If we subtract 200 from 200, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 10:
0 divided by 40 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 6438.325
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 11:
40 goes into 0 0 times with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 6438.325
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Our division results in 6438.325 with a remaining 0.0.