We divide 403863 by 53
We want to divide 403863 by 53.

On to step 1:
The number 53 fits into 4 0 times, leaving a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Take the next digit (0) from the dividend and append it to 4, then repeat: 40 / 53

On to step 2:
The number 53 fits into 40 0 times, leaving a remainder of 40.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 40 and we're left with 40.
Bring next digit (3) of the dividend behind the 40 and repeat the process: 403 / 53

On to step 3:
53 goes into 403 7 times with a remainder of 32.
The next digit of our result is 7. 
Result so far: 7.0
Deduct 371 from 403 and we're left with 32.
Include the next digit (8) from the dividend after 32, then repeat: 328 / 53

Going ahead to step 4:
53 goes into 328 6 times with a remainder of 10.
Use 6 as the next digit of our solution. 
Result so far: 76.0
The remainder is 10 after subtracting 318 from 328.
Append the next digit (6) from the dividend to 10 and continue with: 106 / 53

Step 5:
When dividing 106 by 53, we get 2 with a remainder of 0.
Record the quotient 2 as the next digit in the result. 
Result so far: 762.0
If we take 106 away from 106, we end up with 0.
Take the next digit (3) from the dividend and append it to 0, then repeat: 3 / 53

Moving on to step 6:
53 can be fit into 3 0 times, resulting in a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 7620.0
Deduct 0 from 3 and we're left with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Let's proceed to step 7:
53 goes into 30 0 times with a remainder of 30.
The number 0 becomes the next digit in our result. 
Result so far: 7620.0
If we take 0 away from 30, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Let's proceed to step 8:
53 can be fit into 300 5 times, resulting in a remainder of 35.
Record the quotient 5 as the next digit in the result. 
Result so far: 7620.05
The remainder is 35 after subtracting 265 from 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Moving on to step 9:
When dividing 350 by 53, we get 6 with a remainder of 32.
The number 6 becomes the next digit in our result. 
Result so far: 7620.056
Subtracting 318 from 350 leaves us with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Advancing to step 10:
320 divided by 53 is 6 with a remainder of 2.
The number 6 becomes the next digit in our result. 
Result so far: 7620.0566
Subtract 318 from 320 to get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Our division results in 7620.0566 with a remaining 2e-05.