Let's divide 518 by 89
The aim is to understand the frequency of 89 in 518.

Going ahead to step 1:
89 can be fit into 5 0 times, resulting in a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Include the next digit (1) from the dividend after 5, then repeat: 51 / 89

Going ahead to step 2:
The number 89 fits into 51 0 times, leaving a remainder of 51.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 51, we get 51.
Include the next digit (8) from the dividend after 51, then repeat: 518 / 89

Step 3:
If we divide 518 by 89, we get 5 and a remainder of 73.
Put 5 as the next digit of the answer. 
Result so far: 5.0
Subtract 445 from 518 to get 73.
Since there are no more digits in the dividend, we add a zero to the remainder making it 730, and continue the process.

Moving on to step 4:
730 divided by 89 is 8 with a remainder of 18.
Record the quotient 8 as the next digit in the result. 
Result so far: 5.8
Deduct 712 from 730 and we're left 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.

Let's proceed to step 5:
When dividing 180 by 89, we get 2 with a remainder of 2.
Put 2 as the next digit of the answer. 
Result so far: 5.82
Subtract 178 from 180 to get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 6:
20 divided by 89 is 0 with a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 5.82
Subtract 0 from 20 to 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.

Step 7:
89 can be fit into 200 2 times, resulting in a remainder of 22.
Use 2 as the next digit of our solution. 
Result so far: 5.8202
If we subtract 178 from 200, we get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

On to step 8:
The number 89 fits into 220 2 times, leaving a remainder of 42.
Use 2 as the next digit of our solution. 
Result so far: 5.82022
If we subtract 178 from 220, we get 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

The final result is 5.82022 with a remainder of 4.2e-05.