Let's divide 40430690 by 543
We want to divide 40430690 by 543.

Going ahead to step 1:
543 can be fit into 4 0 times, resulting in a remainder of 4.
The number 0 becomes the next digit in our 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 / 543

Going ahead to step 2:
40 divided by 543 is 0 with a remainder of 40.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 40 after subtracting 0 from 40.
Append the next digit (4) from the dividend to 40 and continue with: 404 / 543

Moving on to step 3:
543 can be fit into 404 0 times, resulting in a remainder of 404.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 404 to get 404.
Include the next digit (3) from the dividend after 404, then repeat: 4043 / 543

Step 4:
The number 543 fits into 4043 7 times, leaving a remainder of 242.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
Subtract 3801 from 4043 to get 242.
Append the next digit (0) from the dividend to 242 and continue with: 2420 / 543

Let's proceed to step 5:
If we divide 2420 by 543, we get 4 and a remainder of 248.
Put 4 as the next digit of the answer. 
Result so far: 74.0
Subtracting 2172 from 2420 leaves us with 248.
Grab the next digit (6) from the dividend, add it to 248, then carry on: 2486 / 543

On to step 6:
543 goes into 2486 4 times with a remainder of 314.
The number 4 becomes the next digit in our result. 
Result so far: 744.0
The remainder is 314 after subtracting 2172 from 2486.
Fetch the next digit (9) from the dividend, attach it to 314 and continue: 3149 / 543

Advancing to step 7:
When dividing 3149 by 543, we get 5 with a remainder of 434.
Put 5 as the next digit of the answer. 
Result so far: 7445.0
If we subtract 2715 from 3149, we get 434.
Append the next digit (0) from the dividend to 434 and continue with: 4340 / 543

Advancing to step 8:
When dividing 4340 by 543, we get 7 with a remainder of 539.
Use 7 as the next digit of our solution. 
Result so far: 74457.0
Deduct 3801 from 4340 and we're left with 539.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5390, and continue the process.

Going ahead to step 9:
543 goes into 5390 9 times with a remainder of 503.
Use 9 as the next digit of our solution. 
Result so far: 74457.9
Deduct 4887 from 5390 and we're left with 503.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5030, and continue the process.

Let's proceed to step 10:
If we divide 5030 by 543, we get 9 and a remainder of 143.
Write down 9 as next digit of the result. 
Result so far: 74457.99
If we subtract 4887 from 5030, we get 143.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1430, and continue the process.

The final result is 74457.99 with a remainder of 0.143.