We look at the division of 686653 by 2 
Our goal is to divide 686653 by 2.

On to step 1:
If we divide 6 by 2, we get 3 and a remainder of 0.
Put 3 as the next digit of the answer. 
Result so far: 3.0
If we subtract 6 from 6, we get 0.
Take the next digit (8) from the dividend and append it to 0, then repeat: 8 / 2

Advancing to step 2:
The number 2 fits into 8 4 times, leaving a remainder of 0.
Put 4 as the next digit of the answer. 
Result so far: 34.0
Subtract 8 from 8 to get 0.
Take the next digit (6) from the dividend and append it to 0, then repeat: 6 / 2

Let's proceed to step 3:
6 divided by 2 is 3 with a remainder of 0.
Use 3 as the next digit of our solution. 
Result so far: 343.0
Subtracting 6 from 6 leaves us with 0.
Bring next digit (6) of the dividend behind the 0 and repeat the process: 6 / 2

Moving on to step 4:
2 can be fit into 6 3 times, resulting in a remainder of 0.
The next digit of our result is 3. 
Result so far: 3433.0
If we subtract 6 from 6, we get 0.
Include the next digit (5) from the dividend after 0, then repeat: 5 / 2

Moving on to step 5:
The number 2 fits into 5 2 times, leaving a remainder of 1.
The number 2 becomes the next digit in our result. 
Result so far: 34332.0
If we subtract 4 from 5, we get 1.
Fetch the next digit (3) from the dividend, attach it to 1 and continue: 13 / 2

Going ahead to step 6:
When dividing 13 by 2, we get 6 with a remainder of 1.
Use 6 as the next digit of our solution. 
Result so far: 343326.0
Subtracting 12 from 13 leaves us 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.

Going ahead to step 7:
10 divided by 2 is 5 with a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 343326.5
If we take 10 away from 10, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 8:
2 can be fit into 0 0 times, resulting in a remainder of 0.
The next digit of our result is 0. 
Result so far: 343326.5
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 9:
The number 2 fits into 0 0 times, leaving a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 343326.5
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final outcome is 343326.5, with a leftover of 0.0.