We look at the division of 30938 by 84 
We want to divide 30938 by 84.

Step 1:
If we divide 3 by 84, we get 0 and a remainder of 3.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 3 after subtracting 0 from 3.
Grab the next digit (0) from the dividend, add it to 3, then carry on: 30 / 84

Moving on to step 2:
30 divided by 84 is 0 with a remainder of 30.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 30 and we're left with 30.
Grab the next digit (9) from the dividend, add it to 30, then carry on: 309 / 84

Step 3:
84 can be fit into 309 3 times, resulting in a remainder of 57.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Subtract 252 from 309 to get 57.
Include the next digit (3) from the dividend after 57, then repeat: 573 / 84

Going ahead to step 4:
When dividing 573 by 84, we get 6 with a remainder of 69.
Write down 6 as next digit of the result. 
Result so far: 36.0
If we take 504 away from 573, we end up with 69.
Include the next digit (8) from the dividend after 69, then repeat: 698 / 84

On to step 5:
If we divide 698 by 84, we get 8 and a remainder of 26.
The next digit of our result is 8. 
Result so far: 368.0
The remainder is 26 after subtracting 672 from 698.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Advancing to step 6:
If we divide 260 by 84, we get 3 and a remainder of 8.
Write down 3 as next digit of the result. 
Result so far: 368.3
If we take 252 away from 260, we end up with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Let's proceed to step 7:
When dividing 80 by 84, we get 0 with a remainder of 80.
The number 0 becomes the next digit in our result. 
Result so far: 368.3
Subtracting 0 from 80 leaves us with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Going ahead to step 8:
The number 84 fits into 800 9 times, leaving a remainder of 44.
The next digit of our result is 9. 
Result so far: 368.309
Deduct 756 from 800 and we're left with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Moving on to step 9:
440 divided by 84 is 5 with a remainder of 20.
Write down 5 as next digit of the result. 
Result so far: 368.3095
If we subtract 420 from 440, we 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.

Step 10:
If we divide 200 by 84, we get 2 and a remainder of 32.
Put 2 as the next digit of the answer. 
Result so far: 368.30952
If we subtract 168 from 200, we get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Advancing to step 11:
When dividing 320 by 84, we get 3 with a remainder of 68.
Put 3 as the next digit of the answer. 
Result so far: 368.309523
If we subtract 252 from 320, we get 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

Moving on to step 12:
The number 84 fits into 680 8 times, leaving a remainder of 8.
Use 8 as the next digit of our solution. 
Result so far: 368.3095238
The remainder is 8 after subtracting 672 from 680.
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 13:
84 goes into 80 0 times with a remainder of 80.
The next digit of our result is 0. 
Result so far: 368.3095238
Subtracting 0 from 80 leaves us with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

The final outcome is 368.3095238, with a leftover of 8e-08.