We're dividing 860807 by 3 
The aim is to understand the frequency of 3 in 860807.

Let's proceed to step 1:
3 can be fit into 8 2 times, resulting in a remainder of 2.
Write down 2 as next digit of the result. 
Result so far: 2.0
If we take 6 away from 8, we end up with 2.
Include the next digit (6) from the dividend after 2, then repeat: 26 / 3

On to step 2:
3 goes into 26 8 times with a remainder of 2.
Write down 8 as next digit of the result. 
Result so far: 28.0
If we subtract 24 from 26, we get 2.
Bring next digit (0) of the dividend behind the 2 and repeat the process: 20 / 3

Let's proceed to step 3:
The number 3 fits into 20 6 times, leaving a remainder of 2.
Use 6 as the next digit of our solution. 
Result so far: 286.0
If we subtract 18 from 20, we get 2.
Append the next digit (8) from the dividend to 2 and continue with: 28 / 3

Moving on to step 4:
28 divided by 3 is 9 with a remainder of 1.
Record the quotient 9 as the next digit in the result. 
Result so far: 2869.0
If we subtract 27 from 28, we get 1.
Bring next digit (0) of the dividend behind the 1 and repeat the process: 10 / 3

On to step 5:
The number 3 fits into 10 3 times, leaving a remainder of 1.
Use 3 as the next digit of our solution. 
Result so far: 28693.0
The remainder is 1 after subtracting 9 from 10.
Fetch the next digit (7) from the dividend, attach it to 1 and continue: 17 / 3

Step 6:
The number 3 fits into 17 5 times, leaving a remainder of 2.
The next digit of our result is 5. 
Result so far: 286935.0
Subtracting 15 from 17 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

On to step 7:
3 can be fit into 20 6 times, resulting in a remainder of 2.
The next digit of our result is 6. 
Result so far: 286935.6
Subtract 18 from 20 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.

Step 8:
3 goes into 20 6 times with a remainder of 2.
Write down 6 as next digit of the result. 
Result so far: 286935.66
The remainder is 2 after subtracting 18 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

After the division, we end up with 286935.66 and a remainder of 0.002.