280038 ÷ 91 
We want to figure out the number of times 280038 can be divided by 91.

Moving on to step 1:
When dividing 2 by 91, we get 0 with a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Include the next digit (8) from the dividend after 2, then repeat: 28 / 91

Step 2:
28 divided by 91 is 0 with a remainder of 28.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 28, we end up with 28.
Include the next digit (0) from the dividend after 28, then repeat: 280 / 91

Let's proceed to step 3:
91 goes into 280 3 times with a remainder of 7.
Put 3 as the next digit of the answer. 
Result so far: 3.0
If we subtract 273 from 280, we get 7.
Append the next digit (0) from the dividend to 7 and continue with: 70 / 91

Step 4:
The number 91 fits into 70 0 times, leaving a remainder of 70.
The number 0 becomes the next digit in our result. 
Result so far: 30.0
Subtract 0 from 70 to get 70.
Bring next digit (3) of the dividend behind the 70 and repeat the process: 703 / 91

Step 5:
703 divided by 91 is 7 with a remainder of 66.
The number 7 becomes the next digit in our result. 
Result so far: 307.0
If we take 637 away from 703, we end up with 66.
Fetch the next digit (8) from the dividend, attach it to 66 and continue: 668 / 91

Step 6:
91 can be fit into 668 7 times, resulting in a remainder of 31.
Write down 7 as next digit of the result. 
Result so far: 3077.0
If we take 637 away from 668, we end up with 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Going ahead to step 7:
310 divided by 91 is 3 with a remainder of 37.
Put 3 as the next digit of the answer. 
Result so far: 3077.3
If we take 273 away from 310, we end up with 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

Advancing to step 8:
91 goes into 370 4 times with a remainder of 6.
The number 4 becomes the next digit in our result. 
Result so far: 3077.34
Subtract 364 from 370 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 9:
60 divided by 91 is 0 with a remainder of 60.
Put 0 as the next digit of the answer. 
Result so far: 3077.34
The remainder is 60 after subtracting 0 from 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Going ahead to step 10:
91 goes into 600 6 times with a remainder of 54.
The next digit of our result is 6. 
Result so far: 3077.3406
If we take 546 away from 600, we end up with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Going ahead to step 11:
When dividing 540 by 91, we get 5 with a remainder of 85.
The number 5 becomes the next digit in our result. 
Result so far: 3077.34065
If we take 455 away from 540, we end up with 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

On to step 12:
91 can be fit into 850 9 times, resulting in a remainder of 31.
Record the quotient 9 as the next digit in the result. 
Result so far: 3077.340659
Subtracting 819 from 850 leaves us with 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Advancing to step 13:
If we divide 310 by 91, we get 3 and a remainder of 37.
The number 3 becomes the next digit in our result. 
Result so far: 3077.3406593
Deduct 273 from 310 and we're left with 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

Going ahead to step 14:
91 goes into 370 4 times with a remainder of 6.
Write down 4 as next digit of the result. 
Result so far: 3077.34065934
Subtract 364 from 370 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

After the division, we end up with 3077.34065934 and a remainder of 6e-09.