149702 ÷ 4 
The aim is to understand the frequency of 4 in 149702.

Step 1:
4 can be fit into 1 0 times, resulting in a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Fetch the next digit (4) from the dividend, attach it to 1 and continue: 14 / 4

Moving on to step 2:
14 divided by 4 is 3 with a remainder of 2.
The next digit of our result is 3. 
Result so far: 3.0
The remainder is 2 after subtracting 12 from 14.
Grab the next digit (9) from the dividend, add it to 2, then carry on: 29 / 4

Step 3:
The number 4 fits into 29 7 times, leaving a remainder of 1.
Put 7 as the next digit of the answer. 
Result so far: 37.0
If we subtract 28 from 29, we get 1.
Fetch the next digit (7) from the dividend, attach it to 1 and continue: 17 / 4

On to step 4:
The number 4 fits into 17 4 times, leaving a remainder of 1.
The number 4 becomes the next digit in our result. 
Result so far: 374.0
If we take 16 away from 17, we end up with 1.
Bring next digit (0) of the dividend behind the 1 and repeat the process: 10 / 4

Going ahead to step 5:
If we divide 10 by 4, we get 2 and a remainder of 2.
Write down 2 as next digit of the result. 
Result so far: 3742.0
If we subtract 8 from 10, we get 2.
Bring next digit (2) of the dividend behind the 2 and repeat the process: 22 / 4

On to step 6:
If we divide 22 by 4, we get 5 and a remainder of 2.
Put 5 as the next digit of the answer. 
Result so far: 37425.0
Deduct 20 from 22 and we're left 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.

Advancing to step 7:
If we divide 20 by 4, we get 5 and a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 37425.5
If we take 20 away from 20, 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.

Moving on to step 8:
4 can be fit into 0 0 times, resulting in a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 37425.5
Subtracting 0 from 0 leaves us 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 9:
0 divided by 4 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 37425.5
Deduct 0 from 0 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.

The final outcome is 37425.5, with a leftover of 0.0.