155679 divided by 3 
The aim is to understand the frequency of 3 in 155679.

On to step 1:
1 divided by 3 is 0 with a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Append the next digit (5) from the dividend to 1 and continue with: 15 / 3

Moving on to step 2:
3 goes into 15 5 times with a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 5.0
Subtract 15 from 15 to get 0.
Append the next digit (5) from the dividend to 0 and continue with: 5 / 3

Moving on to step 3:
3 goes into 5 1 times with a remainder of 2.
Record the quotient 1 as the next digit in the result. 
Result so far: 51.0
Subtract 3 from 5 to get 2.
Grab the next digit (6) from the dividend, add it to 2, then carry on: 26 / 3

Let's proceed to step 4:
The number 3 fits into 26 8 times, leaving a remainder of 2.
The next digit of our result is 8. 
Result so far: 518.0
Deduct 24 from 26 and we're left with 2.
Bring next digit (7) of the dividend behind the 2 and repeat the process: 27 / 3

Step 5:
3 goes into 27 9 times with a remainder of 0.
Record the quotient 9 as the next digit in the result. 
Result so far: 5189.0
Deduct 27 from 27 and we're left with 0.
Include the next digit (9) from the dividend after 0, then repeat: 9 / 3

Let's proceed to step 6:
When dividing 9 by 3, we get 3 with a remainder of 0.
The number 3 becomes the next digit in our result. 
Result so far: 51893.0
Deduct 9 from 9 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 7:
0 divided by 3 is 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 51893.0
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 8:
If we divide 0 by 3, we get 0 and a remainder of 0.
The next digit of our result is 0. 
Result so far: 51893.0
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.

Our division results in 51893.0 with a remaining 0.0.