Let's divide 28100686 by 310
Let's see how many times 310 fits into 28100686.

Let's proceed to step 1:
When dividing 2 by 310, we get 0 with a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Take the next digit (8) from the dividend and append it to 2, then repeat: 28 / 310

Going ahead to step 2:
The number 310 fits into 28 0 times, leaving a remainder of 28.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 28 after subtracting 0 from 28.
Take the next digit (1) from the dividend and append it to 28, then repeat: 281 / 310

Moving on to step 3:
The number 310 fits into 281 0 times, leaving a remainder of 281.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 281, we end up with 281.
Take the next digit (0) from the dividend and append it to 281, then repeat: 2810 / 310

Step 4:
310 goes into 2810 9 times with a remainder of 20.
The next digit of our result is 9. 
Result so far: 9.0
Deduct 2790 from 2810 and we're left with 20.
Take the next digit (0) from the dividend and append it to 20, then repeat: 200 / 310

Step 5:
310 can be fit into 200 0 times, resulting in a remainder of 200.
The next digit of our result is 0. 
Result so far: 90.0
The remainder is 200 after subtracting 0 from 200.
Append the next digit (6) from the dividend to 200 and continue with: 2006 / 310

Moving on to step 6:
2006 divided by 310 is 6 with a remainder of 146.
Record the quotient 6 as the next digit in the result. 
Result so far: 906.0
Deduct 1860 from 2006 and we're left with 146.
Fetch the next digit (8) from the dividend, attach it to 146 and continue: 1468 / 310

Step 7:
310 can be fit into 1468 4 times, resulting in a remainder of 228.
The next digit of our result is 4. 
Result so far: 9064.0
If we take 1240 away from 1468, we end up with 228.
Include the next digit (6) from the dividend after 228, then repeat: 2286 / 310

Moving on to step 8:
The number 310 fits into 2286 7 times, leaving a remainder of 116.
The next digit of our result is 7. 
Result so far: 90647.0
Subtracting 2170 from 2286 leaves us with 116.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1160, and continue the process.

Let's proceed to step 9:
When dividing 1160 by 310, we get 3 with a remainder of 230.
Put 3 as the next digit of the answer. 
Result so far: 90647.3
If we take 930 away from 1160, we end up with 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

Step 10:
The number 310 fits into 2300 7 times, leaving a remainder of 130.
Put 7 as the next digit of the answer. 
Result so far: 90647.37
The remainder is 130 after subtracting 2170 from 2300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

Let's proceed to step 11:
When dividing 1300 by 310, we get 4 with a remainder of 60.
The number 4 becomes the next digit in our result. 
Result so far: 90647.374
Subtract 1240 from 1300 to get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

On to step 12:
310 goes into 600 1 times with a remainder of 290.
The number 1 becomes the next digit in our result. 
Result so far: 90647.3741
Subtracting 310 from 600 leaves us with 290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2900, and continue the process.

Advancing to step 13:
310 goes into 2900 9 times with a remainder of 110.
The next digit of our result is 9. 
Result so far: 90647.37419
If we subtract 2790 from 2900, we get 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Going ahead to step 14:
If we divide 1100 by 310, we get 3 and a remainder of 170.
The next digit of our result is 3. 
Result so far: 90647.374193
Deduct 930 from 1100 and we're left with 170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1700, and continue the process.

On to step 15:
310 can be fit into 1700 5 times, resulting in a remainder of 150.
Record the quotient 5 as the next digit in the result. 
Result so far: 90647.3741935
Deduct 1550 from 1700 and we're left with 150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1500, and continue the process.

Going ahead to step 16:
The number 310 fits into 1500 4 times, leaving a remainder of 260.
The number 4 becomes the next digit in our result. 
Result so far: 90647.37419354
If we subtract 1240 from 1500, we get 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2600, and continue the process.

After the division, we end up with 90647.37419354 and a remainder of 2.6e-07.