We divide 480517 by 90
We're looking to find how many times 90 goes into 480517.

Step 1:
The number 90 fits into 4 0 times, leaving a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Grab the next digit (8) from the dividend, add it to 4, then carry on: 48 / 90

Going ahead to step 2:
90 can be fit into 48 0 times, resulting in a remainder of 48.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 48, we get 48.
Fetch the next digit (0) from the dividend, attach it to 48 and continue: 480 / 90

Going ahead to step 3:
If we divide 480 by 90, we get 5 and a remainder of 30.
Put 5 as the next digit of the answer. 
Result so far: 5.0
If we subtract 450 from 480, we get 30.
Fetch the next digit (5) from the dividend, attach it to 30 and continue: 305 / 90

Let's proceed to step 4:
The number 90 fits into 305 3 times, leaving a remainder of 35.
Put 3 as the next digit of the answer. 
Result so far: 53.0
If we take 270 away from 305, we end up with 35.
Grab the next digit (1) from the dividend, add it to 35, then carry on: 351 / 90

On to step 5:
When dividing 351 by 90, we get 3 with a remainder of 81.
Use 3 as the next digit of our solution. 
Result so far: 533.0
Deduct 270 from 351 and we're left with 81.
Include the next digit (7) from the dividend after 81, then repeat: 817 / 90

Advancing to step 6:
If we divide 817 by 90, we get 9 and a remainder of 7.
Record the quotient 9 as the next digit in the result. 
Result so far: 5339.0
The remainder is 7 after subtracting 810 from 817.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

On to step 7:
The number 90 fits into 70 0 times, leaving a remainder of 70.
Use 0 as the next digit of our solution. 
Result so far: 5339.0
If we subtract 0 from 70, we get 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Let's proceed to step 8:
When dividing 700 by 90, we get 7 with a remainder of 70.
Use 7 as the next digit of our solution. 
Result so far: 5339.07
If we take 630 away from 700, we end up with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Advancing to step 9:
If we divide 700 by 90, we get 7 and a remainder of 70.
Put 7 as the next digit of the answer. 
Result so far: 5339.077
If we take 630 away from 700, we end up with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

The final outcome is 5339.077, with a leftover of 0.007.