85643 divided by 79 
The aim is to understand the frequency of 79 in 85643.

Step 1:
8 divided by 79 is 0 with a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Append the next digit (5) from the dividend to 8 and continue with: 85 / 79

Advancing to step 2:
When dividing 85 by 79, we get 1 with a remainder of 6.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 79 from 85, we get 6.
Take the next digit (6) from the dividend and append it to 6, then repeat: 66 / 79

Moving on to step 3:
66 divided by 79 is 0 with a remainder of 66.
Put 0 as the next digit of the answer. 
Result so far: 10.0
The remainder is 66 after subtracting 0 from 66.
Append the next digit (4) from the dividend to 66 and continue with: 664 / 79

Going ahead to step 4:
If we divide 664 by 79, we get 8 and a remainder of 32.
The number 8 becomes the next digit in our result. 
Result so far: 108.0
Deduct 632 from 664 and we're left with 32.
Take the next digit (3) from the dividend and append it to 32, then repeat: 323 / 79

Moving on to step 5:
79 goes into 323 4 times with a remainder of 7.
Write down 4 as next digit of the result. 
Result so far: 1084.0
Subtracting 316 from 323 leaves us with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Moving on to step 6:
The number 79 fits into 70 0 times, leaving a remainder of 70.
Record the quotient 0 as the next digit in the result. 
Result so far: 1084.0
Subtracting 0 from 70 leaves us with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Let's proceed to step 7:
700 divided by 79 is 8 with a remainder of 68.
Write down 8 as next digit of the result. 
Result so far: 1084.08
Subtracting 632 from 700 leaves us with 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

On to step 8:
680 divided by 79 is 8 with a remainder of 48.
The next digit of our result is 8. 
Result so far: 1084.088
Subtracting 632 from 680 leaves us with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Our division results in 1084.088 with a remaining 0.0048.