We divide 279787 by 3
The aim is to understand the frequency of 3 in 279787.

Step 1:
2 divided by 3 is 0 with a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Fetch the next digit (7) from the dividend, attach it to 2 and continue: 27 / 3

Moving on to step 2:
If we divide 27 by 3, we get 9 and a remainder of 0.
Record the quotient 9 as the next digit in the result. 
Result so far: 9.0
If we subtract 27 from 27, we get 0.
Fetch the next digit (9) from the dividend, attach it to 0 and continue: 9 / 3

Advancing to step 3:
3 goes into 9 3 times with a remainder of 0.
Put 3 as the next digit of the answer. 
Result so far: 93.0
The remainder is 0 after subtracting 9 from 9.
Grab the next digit (7) from the dividend, add it to 0, then carry on: 7 / 3

Going ahead to step 4:
3 can be fit into 7 2 times, resulting in a remainder of 1.
The number 2 becomes the next digit in our result. 
Result so far: 932.0
If we subtract 6 from 7, we get 1.
Grab the next digit (8) from the dividend, add it to 1, then carry on: 18 / 3

Let's proceed to step 5:
If we divide 18 by 3, we get 6 and a remainder of 0.
Put 6 as the next digit of the answer. 
Result so far: 9326.0
Subtract 18 from 18 to get 0.
Grab the next digit (7) from the dividend, add it to 0, then carry on: 7 / 3

On to step 6:
When dividing 7 by 3, we get 2 with a remainder of 1.
Use 2 as the next digit of our solution. 
Result so far: 93262.0
If we take 6 away from 7, we end up with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Advancing to step 7:
If we divide 10 by 3, we get 3 and a remainder of 1.
The next digit of our result is 3. 
Result so far: 93262.3
If we subtract 9 from 10, 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.

On to step 8:
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: 93262.33
Subtracting 9 from 10 leaves us with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Our division results in 93262.33 with a remaining 0.001.