We look at the division of 20857071 by 308 
Our goal is to divide 20857071 by 308.

Step 1:
When dividing 2 by 308, we get 0 with a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Fetch the next digit (0) from the dividend, attach it to 2 and continue: 20 / 308

Let's proceed to step 2:
The number 308 fits into 20 0 times, leaving a remainder of 20.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 20 after subtracting 0 from 20.
Bring next digit (8) of the dividend behind the 20 and repeat the process: 208 / 308

Step 3:
The number 308 fits into 208 0 times, leaving a remainder of 208.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 208 and we're left with 208.
Bring next digit (5) of the dividend behind the 208 and repeat the process: 2085 / 308

Moving on to step 4:
2085 divided by 308 is 6 with a remainder of 237.
The next digit of our result is 6. 
Result so far: 6.0
Subtract 1848 from 2085 to get 237.
Bring next digit (7) of the dividend behind the 237 and repeat the process: 2377 / 308

Step 5:
308 can be fit into 2377 7 times, resulting in a remainder of 221.
Write down 7 as next digit of the result. 
Result so far: 67.0
If we take 2156 away from 2377, we end up with 221.
Append the next digit (0) from the dividend to 221 and continue with: 2210 / 308

On to step 6:
If we divide 2210 by 308, we get 7 and a remainder of 54.
Put 7 as the next digit of the answer. 
Result so far: 677.0
The remainder is 54 after subtracting 2156 from 2210.
Fetch the next digit (7) from the dividend, attach it to 54 and continue: 547 / 308

On to step 7:
547 divided by 308 is 1 with a remainder of 239.
Put 1 as the next digit of the answer. 
Result so far: 6771.0
If we subtract 308 from 547, we get 239.
Include the next digit (1) from the dividend after 239, then repeat: 2391 / 308

Going ahead to step 8:
When dividing 2391 by 308, we get 7 with a remainder of 235.
The number 7 becomes the next digit in our result. 
Result so far: 67717.0
Subtracting 2156 from 2391 leaves us with 235.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2350, and continue the process.

Moving on to step 9:
2350 divided by 308 is 7 with a remainder of 194.
Write down 7 as next digit of the result. 
Result so far: 67717.7
Subtract 2156 from 2350 to get 194.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1940, and continue the process.

Advancing to step 10:
When dividing 1940 by 308, we get 6 with a remainder of 92.
The next digit of our result is 6. 
Result so far: 67717.76
If we take 1848 away from 1940, we end up with 92.
Since there are no more digits in the dividend, we add a zero to the remainder making it 920, and continue the process.

Going ahead to step 11:
When dividing 920 by 308, we get 2 with a remainder of 304.
Put 2 as the next digit of the answer. 
Result so far: 67717.762
Deduct 616 from 920 and we're left with 304.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3040, and continue the process.

Going ahead to step 12:
If we divide 3040 by 308, we get 9 and a remainder of 268.
Write down 9 as next digit of the result. 
Result so far: 67717.7629
If we take 2772 away from 3040, we end up with 268.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2680, and continue the process.

Let's proceed to step 13:
The number 308 fits into 2680 8 times, leaving a remainder of 216.
The number 8 becomes the next digit in our result. 
Result so far: 67717.76298
Deduct 2464 from 2680 and we're left with 216.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2160, and continue the process.

Step 14:
308 can be fit into 2160 7 times, resulting in a remainder of 4.
The next digit of our result is 7. 
Result so far: 67717.762987
Deduct 2156 from 2160 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.

Let's proceed to step 15:
When dividing 40 by 308, we get 0 with a remainder of 40.
The next digit of our result is 0. 
Result so far: 67717.762987
Deduct 0 from 40 and we're left with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Advancing to step 16:
If we divide 400 by 308, we get 1 and a remainder of 92.
The next digit of our result is 1. 
Result so far: 67717.76298701
Subtracting 308 from 400 leaves us with 92.
Since there are no more digits in the dividend, we add a zero to the remainder making it 920, and continue the process.

The final outcome is 67717.76298701, with a leftover of 9.2e-08.