Let's divide 28129 by 39
Let's see how many times 39 fits into 28129.

Let's proceed to step 1:
39 goes into 2 0 times with a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Include the next digit (8) from the dividend after 2, then repeat: 28 / 39

Advancing to step 2:
39 can be fit into 28 0 times, resulting in a remainder of 28.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 28 leaves us with 28.
Include the next digit (1) from the dividend after 28, then repeat: 281 / 39

On to step 3:
39 goes into 281 7 times with a remainder of 8.
Put 7 as the next digit of the answer. 
Result so far: 7.0
If we subtract 273 from 281, we get 8.
Fetch the next digit (2) from the dividend, attach it to 8 and continue: 82 / 39

Step 4:
When dividing 82 by 39, we get 2 with a remainder of 4.
Put 2 as the next digit of the answer. 
Result so far: 72.0
If we subtract 78 from 82, we get 4.
Grab the next digit (9) from the dividend, add it to 4, then carry on: 49 / 39

Moving on to step 5:
The number 39 fits into 49 1 times, leaving a remainder of 10.
Write down 1 as next digit of the result. 
Result so far: 721.0
Subtracting 39 from 49 leaves us 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.

Advancing to step 6:
39 goes into 100 2 times with a remainder of 22.
Use 2 as the next digit of our solution. 
Result so far: 721.2
Deduct 78 from 100 and we're left with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Advancing to step 7:
39 goes into 220 5 times with a remainder of 25.
The number 5 becomes the next digit in our result. 
Result so far: 721.25
Subtract 195 from 220 to get 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Going ahead to step 8:
250 divided by 39 is 6 with a remainder of 16.
Put 6 as the next digit of the answer. 
Result so far: 721.256
If we take 234 away from 250, we end up 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.

Advancing to step 9:
When dividing 160 by 39, we get 4 with a remainder of 4.
Put 4 as the next digit of the answer. 
Result so far: 721.2564
If we take 156 away from 160, we end up 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.

Let's proceed to step 10:
40 divided by 39 is 1 with a remainder of 1.
Write down 1 as next digit of the result. 
Result so far: 721.25641
Deduct 39 from 40 and we're left 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.

Moving on to step 11:
The number 39 fits into 10 0 times, leaving a remainder of 10.
Put 0 as the next digit of the answer. 
Result so far: 721.25641
The remainder is 10 after subtracting 0 from 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 12:
39 can be fit into 100 2 times, resulting in a remainder of 22.
The next digit of our result is 2. 
Result so far: 721.2564102
Subtracting 78 from 100 leaves us with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Moving on to step 13:
When dividing 220 by 39, we get 5 with a remainder of 25.
Record the quotient 5 as the next digit in the result. 
Result so far: 721.25641025
Deduct 195 from 220 and we're left with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

The final result is 721.25641025 with a remainder of 2.5e-08.