1392 ÷ 57 
The aim is to understand the frequency of 57 in 1392.

Let's proceed to step 1:
57 can be fit into 1 0 times, resulting in a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Append the next digit (3) from the dividend to 1 and continue with: 13 / 57

Step 2:
If we divide 13 by 57, we get 0 and a remainder of 13.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 13 leaves us with 13.
Fetch the next digit (9) from the dividend, attach it to 13 and continue: 139 / 57

Advancing to step 3:
The number 57 fits into 139 2 times, leaving a remainder of 25.
Put 2 as the next digit of the answer. 
Result so far: 2.0
The remainder is 25 after subtracting 114 from 139.
Include the next digit (2) from the dividend after 25, then repeat: 252 / 57

Step 4:
252 divided by 57 is 4 with a remainder of 24.
Record the quotient 4 as the next digit in the result. 
Result so far: 24.0
Subtract 228 from 252 to get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Advancing to step 5:
57 goes into 240 4 times with a remainder of 12.
Record the quotient 4 as the next digit in the result. 
Result so far: 24.4
The remainder is 12 after subtracting 228 from 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 6:
If we divide 120 by 57, we get 2 and a remainder of 6.
Use 2 as the next digit of our solution. 
Result so far: 24.42
Subtract 114 from 120 to 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.

Step 7:
57 can be fit into 60 1 times, resulting in a remainder of 3.
Use 1 as the next digit of our solution. 
Result so far: 24.421
If we take 57 away from 60, we end up with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Step 8:
The number 57 fits into 30 0 times, leaving a remainder of 30.
The number 0 becomes the next digit in our result. 
Result so far: 24.421
If we take 0 away from 30, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Let's proceed to step 9:
57 goes into 300 5 times with a remainder of 15.
The number 5 becomes the next digit in our result. 
Result so far: 24.42105
If we take 285 away from 300, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Advancing to step 10:
When dividing 150 by 57, we get 2 with a remainder of 36.
Use 2 as the next digit of our solution. 
Result so far: 24.421052
Subtract 114 from 150 to get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Step 11:
360 divided by 57 is 6 with a remainder of 18.
The next digit of our result is 6. 
Result so far: 24.4210526
If we take 342 away from 360, 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.

Moving on to step 12:
When dividing 180 by 57, we get 3 with a remainder of 9.
Record the quotient 3 as the next digit in the result. 
Result so far: 24.42105263
Deduct 171 from 180 and we're left with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

After the division, we end up with 24.42105263 and a remainder of 9e-09.