455999 ÷ 90 
Our goal is to divide 455999 by 90.

Moving on to step 1:
90 can be fit into 4 0 times, resulting in a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 4 leaves us with 4.
Fetch the next digit (5) from the dividend, attach it to 4 and continue: 45 / 90

Going ahead to step 2:
If we divide 45 by 90, we get 0 and a remainder of 45.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 45 leaves us with 45.
Include the next digit (5) from the dividend after 45, then repeat: 455 / 90

On to step 3:
455 divided by 90 is 5 with a remainder of 5.
The next digit of our result is 5. 
Result so far: 5.0
If we take 450 away from 455, we end up with 5.
Take the next digit (9) from the dividend and append it to 5, then repeat: 59 / 90

Step 4:
90 can be fit into 59 0 times, resulting in a remainder of 59.
Use 0 as the next digit of our solution. 
Result so far: 50.0
Subtracting 0 from 59 leaves us with 59.
Append the next digit (9) from the dividend to 59 and continue with: 599 / 90

Let's proceed to step 5:
When dividing 599 by 90, we get 6 with a remainder of 59.
Put 6 as the next digit of the answer. 
Result so far: 506.0
Subtract 540 from 599 to get 59.
Fetch the next digit (9) from the dividend, attach it to 59 and continue: 599 / 90

Let's proceed to step 6:
599 divided by 90 is 6 with a remainder of 59.
Write down 6 as next digit of the result. 
Result so far: 5066.0
The remainder is 59 after subtracting 540 from 599.
Since there are no more digits in the dividend, we add a zero to the remainder making it 590, and continue the process.

Let's proceed to step 7:
If we divide 590 by 90, we get 6 and a remainder of 50.
Put 6 as the next digit of the answer. 
Result so far: 5066.6
The remainder is 50 after subtracting 540 from 590.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 8:
90 can be fit into 500 5 times, resulting in a remainder of 50.
Write down 5 as next digit of the result. 
Result so far: 5066.65
Subtract 450 from 500 to get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Let's proceed to step 9:
90 goes into 500 5 times with a remainder of 50.
Write down 5 as next digit of the result. 
Result so far: 5066.655
Subtracting 450 from 500 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.

In conclusion, the division gives 5066.655 with a balance of 0.005.