303138 divided by 28 
The aim is to understand the frequency of 28 in 303138.

Let's proceed to step 1:
When dividing 3 by 28, we get 0 with a remainder of 3.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 3 leaves us with 3.
Append the next digit (0) from the dividend to 3 and continue with: 30 / 28

Going ahead to step 2:
If we divide 30 by 28, we get 1 and a remainder of 2.
The next digit of our result is 1. 
Result so far: 1.0
If we take 28 away from 30, we end up with 2.
Include the next digit (3) from the dividend after 2, then repeat: 23 / 28

On to step 3:
When dividing 23 by 28, we get 0 with a remainder of 23.
Write down 0 as next digit of the result. 
Result so far: 10.0
Deduct 0 from 23 and we're left with 23.
Fetch the next digit (1) from the dividend, attach it to 23 and continue: 231 / 28

Moving on to step 4:
28 can be fit into 231 8 times, resulting in a remainder of 7.
The next digit of our result is 8. 
Result so far: 108.0
If we take 224 away from 231, we end up with 7.
Bring next digit (3) of the dividend behind the 7 and repeat the process: 73 / 28

Advancing to step 5:
The number 28 fits into 73 2 times, leaving a remainder of 17.
Record the quotient 2 as the next digit in the result. 
Result so far: 1082.0
If we take 56 away from 73, we end up with 17.
Fetch the next digit (8) from the dividend, attach it to 17 and continue: 178 / 28

Step 6:
28 goes into 178 6 times with a remainder of 10.
Record the quotient 6 as the next digit in the result. 
Result so far: 10826.0
If we take 168 away from 178, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 7:
28 goes into 100 3 times with a remainder of 16.
The next digit of our result is 3. 
Result so far: 10826.3
Subtracting 84 from 100 leaves us with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Step 8:
28 can be fit into 160 5 times, resulting in a remainder of 20.
The number 5 becomes the next digit in our result. 
Result so far: 10826.35
Subtract 140 from 160 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Advancing to step 9:
When dividing 200 by 28, we get 7 with a remainder of 4.
The number 7 becomes the next digit in our result. 
Result so far: 10826.357
Deduct 196 from 200 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 10:
When dividing 40 by 28, we get 1 with a remainder of 12.
Write down 1 as next digit of the result. 
Result so far: 10826.3571
The remainder is 12 after subtracting 28 from 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Step 11:
When dividing 120 by 28, we get 4 with a remainder of 8.
Write down 4 as next digit of the result. 
Result so far: 10826.35714
If we subtract 112 from 120, we get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Going ahead to step 12:
The number 28 fits into 80 2 times, leaving a remainder of 24.
The next digit of our result is 2. 
Result so far: 10826.357142
Subtract 56 from 80 to get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Step 13:
When dividing 240 by 28, we get 8 with a remainder of 16.
Use 8 as the next digit of our solution. 
Result so far: 10826.3571428
Subtract 224 from 240 to get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Going ahead to step 14:
28 goes into 160 5 times with a remainder of 20.
Write down 5 as next digit of the result. 
Result so far: 10826.35714285
If we take 140 away from 160, we end up with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

The quotient of the division is 10826.35714285, and the remainder is 2e-08.