79865720 divided by 396 
The aim is to understand the frequency of 396 in 79865720.

Let's proceed to step 1:
7 divided by 396 is 0 with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Grab the next digit (9) from the dividend, add it to 7, then carry on: 79 / 396

Moving on to step 2:
When dividing 79 by 396, we get 0 with a remainder of 79.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 79 after subtracting 0 from 79.
Fetch the next digit (8) from the dividend, attach it to 79 and continue: 798 / 396

Moving on to step 3:
When dividing 798 by 396, we get 2 with a remainder of 6.
Write down 2 as next digit of the result. 
Result so far: 2.0
If we subtract 792 from 798, we get 6.
Take the next digit (6) from the dividend and append it to 6, then repeat: 66 / 396

Step 4:
When dividing 66 by 396, we get 0 with a remainder of 66.
Write down 0 as next digit of the result. 
Result so far: 20.0
If we take 0 away from 66, we end up with 66.
Include the next digit (5) from the dividend after 66, then repeat: 665 / 396

Advancing to step 5:
If we divide 665 by 396, we get 1 and a remainder of 269.
Use 1 as the next digit of our solution. 
Result so far: 201.0
The remainder is 269 after subtracting 396 from 665.
Take the next digit (7) from the dividend and append it to 269, then repeat: 2697 / 396

Advancing to step 6:
2697 divided by 396 is 6 with a remainder of 321.
The next digit of our result is 6. 
Result so far: 2016.0
Subtract 2376 from 2697 to get 321.
Append the next digit (2) from the dividend to 321 and continue with: 3212 / 396

Going ahead to step 7:
3212 divided by 396 is 8 with a remainder of 44.
Use 8 as the next digit of our solution. 
Result so far: 20168.0
Subtract 3168 from 3212 to get 44.
Fetch the next digit (0) from the dividend, attach it to 44 and continue: 440 / 396

On to step 8:
When dividing 440 by 396, we get 1 with a remainder of 44.
Put 1 as the next digit of the answer. 
Result so far: 201681.0
The remainder is 44 after subtracting 396 from 440.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Advancing to step 9:
396 can be fit into 440 1 times, resulting in a remainder of 44.
Use 1 as the next digit of our solution. 
Result so far: 201681.1
If we subtract 396 from 440, we get 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Advancing to step 10:
440 divided by 396 is 1 with a remainder of 44.
Write down 1 as next digit of the result. 
Result so far: 201681.11
The remainder is 44 after subtracting 396 from 440.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Our division results in 201681.11 with a remaining 0.044.