816240 divided by 43 
We want to divide 816240 by 43.

On to step 1:
If we divide 8 by 43, we get 0 and a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Append the next digit (1) from the dividend to 8 and continue with: 81 / 43

Step 2:
43 goes into 81 1 times with a remainder of 38.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 43 away from 81, we end up with 38.
Grab the next digit (6) from the dividend, add it to 38, then carry on: 386 / 43

On to step 3:
43 can be fit into 386 8 times, resulting in a remainder of 42.
Write down 8 as next digit of the result. 
Result so far: 18.0
If we take 344 away from 386, we end up with 42.
Grab the next digit (2) from the dividend, add it to 42, then carry on: 422 / 43

Moving on to step 4:
43 goes into 422 9 times with a remainder of 35.
Use 9 as the next digit of our solution. 
Result so far: 189.0
If we take 387 away from 422, we end up with 35.
Bring next digit (4) of the dividend behind the 35 and repeat the process: 354 / 43

Moving on to step 5:
43 can be fit into 354 8 times, resulting in a remainder of 10.
Record the quotient 8 as the next digit in the result. 
Result so far: 1898.0
Subtracting 344 from 354 leaves us with 10.
Bring next digit (0) of the dividend behind the 10 and repeat the process: 100 / 43

Moving on to step 6:
43 goes into 100 2 times with a remainder of 14.
Put 2 as the next digit of the answer. 
Result so far: 18982.0
Deduct 86 from 100 and we're left with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Step 7:
If we divide 140 by 43, we get 3 and a remainder of 11.
Put 3 as the next digit of the answer. 
Result so far: 18982.3
The remainder is 11 after subtracting 129 from 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

On to step 8:
If we divide 110 by 43, we get 2 and a remainder of 24.
Record the quotient 2 as the next digit in the result. 
Result so far: 18982.32
The remainder is 24 after subtracting 86 from 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

On to step 9:
When dividing 240 by 43, we get 5 with a remainder of 25.
The next digit of our result is 5. 
Result so far: 18982.325
If we take 215 away from 240, we end up with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

On to step 10:
43 can be fit into 250 5 times, resulting in a remainder of 35.
The next digit of our result is 5. 
Result so far: 18982.3255
Subtract 215 from 250 to get 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

The final result is 18982.3255 with a remainder of 0.00035.