451987 divided by 89 
Our goal is to divide 451987 by 89.

Going ahead to step 1:
89 goes into 4 0 times with a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 4 and we're left with 4.
Include the next digit (5) from the dividend after 4, then repeat: 45 / 89

Going ahead to step 2:
45 divided by 89 is 0 with a remainder of 45.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 45, we end up with 45.
Take the next digit (1) from the dividend and append it to 45, then repeat: 451 / 89

Step 3:
The number 89 fits into 451 5 times, leaving a remainder of 6.
The next digit of our result is 5. 
Result so far: 5.0
Subtract 445 from 451 to get 6.
Include the next digit (9) from the dividend after 6, then repeat: 69 / 89

Let's proceed to step 4:
If we divide 69 by 89, we get 0 and a remainder of 69.
The number 0 becomes the next digit in our result. 
Result so far: 50.0
If we take 0 away from 69, we end up with 69.
Grab the next digit (8) from the dividend, add it to 69, then carry on: 698 / 89

Advancing to step 5:
The number 89 fits into 698 7 times, leaving a remainder of 75.
The number 7 becomes the next digit in our result. 
Result so far: 507.0
Subtracting 623 from 698 leaves us with 75.
Take the next digit (7) from the dividend and append it to 75, then repeat: 757 / 89

Advancing to step 6:
89 goes into 757 8 times with a remainder of 45.
Write down 8 as next digit of the result. 
Result so far: 5078.0
Deduct 712 from 757 and we're left with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Step 7:
89 goes into 450 5 times with a remainder of 5.
Record the quotient 5 as the next digit in the result. 
Result so far: 5078.5
Subtracting 445 from 450 leaves us with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Let's proceed to step 8:
50 divided by 89 is 0 with a remainder of 50.
Write down 0 as next digit of the result. 
Result so far: 5078.5
Subtracting 0 from 50 leaves us with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Going ahead to step 9:
If we divide 500 by 89, we get 5 and a remainder of 55.
Put 5 as the next digit of the answer. 
Result so far: 5078.505
Deduct 445 from 500 and we're left with 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

Going ahead to step 10:
550 divided by 89 is 6 with a remainder of 16.
Put 6 as the next digit of the answer. 
Result so far: 5078.5056
Subtracting 534 from 550 leaves us with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

On to step 11:
The number 89 fits into 160 1 times, leaving a remainder of 71.
The number 1 becomes the next digit in our result. 
Result so far: 5078.50561
If we subtract 89 from 160, we get 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

On to step 12:
When dividing 710 by 89, we get 7 with a remainder of 87.
Write down 7 as next digit of the result. 
Result so far: 5078.505617
Subtracting 623 from 710 leaves us with 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

Advancing to step 13:
89 can be fit into 870 9 times, resulting in a remainder of 69.
Use 9 as the next digit of our solution. 
Result so far: 5078.5056179
The remainder is 69 after subtracting 801 from 870.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

Step 14:
690 divided by 89 is 7 with a remainder of 67.
The next digit of our result is 7. 
Result so far: 5078.50561797
Subtracting 623 from 690 leaves us with 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

The final outcome is 5078.50561797, with a leftover of 6.7e-08.