12980418 ÷ 451 
Let's see how many times 451 fits into 12980418.

Let's proceed to step 1:
1 divided by 451 is 0 with a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 1 and we're left with 1.
Fetch the next digit (2) from the dividend, attach it to 1 and continue: 12 / 451

Step 2:
451 goes into 12 0 times with a remainder of 12.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 12, we get 12.
Take the next digit (9) from the dividend and append it to 12, then repeat: 129 / 451

Let's proceed to step 3:
When dividing 129 by 451, we get 0 with a remainder of 129.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 129 and we're left with 129.
Include the next digit (8) from the dividend after 129, then repeat: 1298 / 451

Let's proceed to step 4:
451 goes into 1298 2 times with a remainder of 396.
Write down 2 as next digit of the result. 
Result so far: 2.0
Subtracting 902 from 1298 leaves us with 396.
Grab the next digit (0) from the dividend, add it to 396, then carry on: 3960 / 451

Advancing to step 5:
3960 divided by 451 is 8 with a remainder of 352.
Record the quotient 8 as the next digit in the result. 
Result so far: 28.0
If we subtract 3608 from 3960, we get 352.
Grab the next digit (4) from the dividend, add it to 352, then carry on: 3524 / 451

Advancing to step 6:
451 goes into 3524 7 times with a remainder of 367.
Put 7 as the next digit of the answer. 
Result so far: 287.0
If we take 3157 away from 3524, we end up with 367.
Append the next digit (1) from the dividend to 367 and continue with: 3671 / 451

On to step 7:
451 goes into 3671 8 times with a remainder of 63.
The number 8 becomes the next digit in our result. 
Result so far: 2878.0
Subtract 3608 from 3671 to get 63.
Take the next digit (8) from the dividend and append it to 63, then repeat: 638 / 451

Advancing to step 8:
If we divide 638 by 451, we get 1 and a remainder of 187.
Use 1 as the next digit of our solution. 
Result so far: 28781.0
Subtract 451 from 638 to get 187.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1870, and continue the process.

Advancing to step 9:
1870 divided by 451 is 4 with a remainder of 66.
Record the quotient 4 as the next digit in the result. 
Result so far: 28781.4
Subtracting 1804 from 1870 leaves us with 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

On to step 10:
451 can be fit into 660 1 times, resulting in a remainder of 209.
Write down 1 as next digit of the result. 
Result so far: 28781.41
Deduct 451 from 660 and we're left with 209.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2090, and continue the process.

Moving on to step 11:
The number 451 fits into 2090 4 times, leaving a remainder of 286.
The number 4 becomes the next digit in our result. 
Result so far: 28781.414
If we subtract 1804 from 2090, we get 286.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2860, and continue the process.

Let's proceed to step 12:
When dividing 2860 by 451, we get 6 with a remainder of 154.
The next digit of our result is 6. 
Result so far: 28781.4146
Subtracting 2706 from 2860 leaves us with 154.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1540, and continue the process.

Going ahead to step 13:
451 goes into 1540 3 times with a remainder of 187.
Record the quotient 3 as the next digit in the result. 
Result so far: 28781.41463
The remainder is 187 after subtracting 1353 from 1540.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1870, and continue the process.

Step 14:
451 goes into 1870 4 times with a remainder of 66.
The number 4 becomes the next digit in our result. 
Result so far: 28781.414634
The remainder is 66 after subtracting 1804 from 1870.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Going ahead to step 15:
When dividing 660 by 451, we get 1 with a remainder of 209.
Use 1 as the next digit of our solution. 
Result so far: 28781.4146341
Deduct 451 from 660 and we're left with 209.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2090, and continue the process.

Moving on to step 16:
451 goes into 2090 4 times with a remainder of 286.
Record the quotient 4 as the next digit in the result. 
Result so far: 28781.41463414
Subtracting 1804 from 2090 leaves us with 286.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2860, and continue the process.

In conclusion, the division gives 28781.41463414 with a balance of 2.86e-07.