We divide 489681 by 4
The aim is to understand the frequency of 4 in 489681.

Going ahead to step 1:
The number 4 fits into 4 1 times, leaving a remainder of 0.
Put 1 as the next digit of the answer. 
Result so far: 1.0
The remainder is 0 after subtracting 4 from 4.
Fetch the next digit (8) from the dividend, attach it to 0 and continue: 8 / 4

On to step 2:
4 goes into 8 2 times with a remainder of 0.
Write down 2 as next digit of the result. 
Result so far: 12.0
Subtract 8 from 8 to get 0.
Include the next digit (9) from the dividend after 0, then repeat: 9 / 4

Step 3:
The number 4 fits into 9 2 times, leaving a remainder of 1.
Record the quotient 2 as the next digit in the result. 
Result so far: 122.0
If we take 8 away from 9, we end up with 1.
Bring next digit (6) of the dividend behind the 1 and repeat the process: 16 / 4

Let's proceed to step 4:
16 divided by 4 is 4 with a remainder of 0.
The number 4 becomes the next digit in our result. 
Result so far: 1224.0
If we take 16 away from 16, we end up with 0.
Include the next digit (8) from the dividend after 0, then repeat: 8 / 4

Going ahead to step 5:
4 goes into 8 2 times with a remainder of 0.
Write down 2 as next digit of the result. 
Result so far: 12242.0
If we subtract 8 from 8, we get 0.
Include the next digit (1) from the dividend after 0, then repeat: 1 / 4

Moving on to step 6:
When dividing 1 by 4, we get 0 with a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 122420.0
If we subtract 0 from 1, we get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 7:
4 goes into 10 2 times with a remainder of 2.
Put 2 as the next digit of the answer. 
Result so far: 122420.2
If we take 8 away from 10, we end up 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 8:
The number 4 fits into 20 5 times, leaving a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 122420.25
The remainder is 0 after subtracting 20 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 9:
When dividing 0 by 4, we get 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 122420.25
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 10:
0 divided by 4 is 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 122420.25
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

After the division, we end up with 122420.25 and a remainder of 0.0.