We look at the division of 178593 by 40 
The aim is to understand the frequency of 40 in 178593.

Moving on to step 1:
1 divided by 40 is 0 with a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Grab the next digit (7) from the dividend, add it to 1, then carry on: 17 / 40

Going ahead to step 2:
If we divide 17 by 40, we get 0 and a remainder of 17.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 17 after subtracting 0 from 17.
Include the next digit (8) from the dividend after 17, then repeat: 178 / 40

On to step 3:
The number 40 fits into 178 4 times, leaving a remainder of 18.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
Subtract 160 from 178 to get 18.
Append the next digit (5) from the dividend to 18 and continue with: 185 / 40

Going ahead to step 4:
185 divided by 40 is 4 with a remainder of 25.
The next digit of our result is 4. 
Result so far: 44.0
Deduct 160 from 185 and we're left with 25.
Fetch the next digit (9) from the dividend, attach it to 25 and continue: 259 / 40

Going ahead to step 5:
If we divide 259 by 40, we get 6 and a remainder of 19.
Record the quotient 6 as the next digit in the result. 
Result so far: 446.0
If we take 240 away from 259, we end up with 19.
Take the next digit (3) from the dividend and append it to 19, then repeat: 193 / 40

Advancing to step 6:
If we divide 193 by 40, we get 4 and a remainder of 33.
Put 4 as the next digit of the answer. 
Result so far: 4464.0
The remainder is 33 after subtracting 160 from 193.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Step 7:
40 goes into 330 8 times with a remainder of 10.
Write down 8 as next digit of the result. 
Result so far: 4464.8
If we take 320 away from 330, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 8:
100 divided by 40 is 2 with a remainder of 20.
Write down 2 as next digit of the result. 
Result so far: 4464.82
Deduct 80 from 100 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 9:
40 can be fit into 200 5 times, resulting in a remainder of 0.
The number 5 becomes the next digit in our result. 
Result so far: 4464.825
Subtract 200 from 200 to 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: 4464.825
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.

Advancing to step 11:
40 can be fit into 0 0 times, resulting in a remainder of 0.
The next digit of our result is 0. 
Result so far: 4464.825
Subtract 0 from 0 to 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.

The final outcome is 4464.825, with a leftover of 0.0.