We divide 43203315 by 581
We're looking to find how many times 581 goes into 43203315.

On to step 1:
581 can be fit into 4 0 times, resulting in a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Grab the next digit (3) from the dividend, add it to 4, then carry on: 43 / 581

Step 2:
If we divide 43 by 581, we get 0 and a remainder of 43.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 43 to get 43.
Grab the next digit (2) from the dividend, add it to 43, then carry on: 432 / 581

Going ahead to step 3:
If we divide 432 by 581, we get 0 and a remainder of 432.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 432, we get 432.
Take the next digit (0) from the dividend and append it to 432, then repeat: 4320 / 581

Let's proceed to step 4:
581 can be fit into 4320 7 times, resulting in a remainder of 253.
Use 7 as the next digit of our solution. 
Result so far: 7.0
If we subtract 4067 from 4320, we get 253.
Take the next digit (3) from the dividend and append it to 253, then repeat: 2533 / 581

Step 5:
581 goes into 2533 4 times with a remainder of 209.
The number 4 becomes the next digit in our result. 
Result so far: 74.0
Deduct 2324 from 2533 and we're left with 209.
Grab the next digit (3) from the dividend, add it to 209, then carry on: 2093 / 581

Going ahead to step 6:
581 can be fit into 2093 3 times, resulting in a remainder of 350.
Put 3 as the next digit of the answer. 
Result so far: 743.0
If we take 1743 away from 2093, we end up with 350.
Take the next digit (1) from the dividend and append it to 350, then repeat: 3501 / 581

Going ahead to step 7:
When dividing 3501 by 581, we get 6 with a remainder of 15.
The next digit of our result is 6. 
Result so far: 7436.0
Subtracting 3486 from 3501 leaves us with 15.
Take the next digit (5) from the dividend and append it to 15, then repeat: 155 / 581

Going ahead to step 8:
581 can be fit into 155 0 times, resulting in a remainder of 155.
Record the quotient 0 as the next digit in the result. 
Result so far: 74360.0
The remainder is 155 after subtracting 0 from 155.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1550, and continue the process.

Advancing to step 9:
The number 581 fits into 1550 2 times, leaving a remainder of 388.
The next digit of our result is 2. 
Result so far: 74360.2
Deduct 1162 from 1550 and we're left with 388.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3880, and continue the process.

On to step 10:
The number 581 fits into 3880 6 times, leaving a remainder of 394.
Use 6 as the next digit of our solution. 
Result so far: 74360.26
The remainder is 394 after subtracting 3486 from 3880.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3940, and continue the process.

Moving on to step 11:
When dividing 3940 by 581, we get 6 with a remainder of 454.
Put 6 as the next digit of the answer. 
Result so far: 74360.266
Deduct 3486 from 3940 and we're left with 454.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4540, and continue the process.

The final outcome is 74360.266, with a leftover of 0.0454.