We're dividing 43698074 by 451 
We want to divide 43698074 by 451.

Step 1:
451 goes into 4 0 times with a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 4 after subtracting 0 from 4.
Append the next digit (3) from the dividend to 4 and continue with: 43 / 451

On to step 2:
451 can be fit into 43 0 times, resulting in a remainder of 43.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 43 leaves us with 43.
Include the next digit (6) from the dividend after 43, then repeat: 436 / 451

Moving on to step 3:
If we divide 436 by 451, we get 0 and a remainder of 436.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 436 and we're left with 436.
Grab the next digit (9) from the dividend, add it to 436, then carry on: 4369 / 451

Let's proceed to step 4:
451 goes into 4369 9 times with a remainder of 310.
Write down 9 as next digit of the result. 
Result so far: 9.0
If we subtract 4059 from 4369, we get 310.
Grab the next digit (8) from the dividend, add it to 310, then carry on: 3108 / 451

Going ahead to step 5:
The number 451 fits into 3108 6 times, leaving a remainder of 402.
Write down 6 as next digit of the result. 
Result so far: 96.0
Subtract 2706 from 3108 to get 402.
Bring next digit (0) of the dividend behind the 402 and repeat the process: 4020 / 451

On to step 6:
If we divide 4020 by 451, we get 8 and a remainder of 412.
Write down 8 as next digit of the result. 
Result so far: 968.0
The remainder is 412 after subtracting 3608 from 4020.
Append the next digit (7) from the dividend to 412 and continue with: 4127 / 451

Advancing to step 7:
When dividing 4127 by 451, we get 9 with a remainder of 68.
The next digit of our result is 9. 
Result so far: 9689.0
Subtracting 4059 from 4127 leaves us with 68.
Fetch the next digit (4) from the dividend, attach it to 68 and continue: 684 / 451

Step 8:
451 goes into 684 1 times with a remainder of 233.
Record the quotient 1 as the next digit in the result. 
Result so far: 96891.0
Subtracting 451 from 684 leaves us with 233.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2330, and continue the process.

Moving on to step 9:
When dividing 2330 by 451, we get 5 with a remainder of 75.
Write down 5 as next digit of the result. 
Result so far: 96891.5
If we subtract 2255 from 2330, we get 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

On to step 10:
If we divide 750 by 451, we get 1 and a remainder of 299.
The number 1 becomes the next digit in our result. 
Result so far: 96891.51
Deduct 451 from 750 and we're left with 299.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2990, and continue the process.

Step 11:
451 goes into 2990 6 times with a remainder of 284.
Put 6 as the next digit of the answer. 
Result so far: 96891.516
If we take 2706 away from 2990, we end up with 284.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2840, and continue the process.

Moving on to step 12:
451 can be fit into 2840 6 times, resulting in a remainder of 134.
Write down 6 as next digit of the result. 
Result so far: 96891.5166
Deduct 2706 from 2840 and we're left with 134.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1340, and continue the process.

The final outcome is 96891.5166, with a leftover of 0.00134.