408503 ÷ 30 
We want to figure out the number of times 408503 can be divided by 30.

Let's proceed to step 1:
30 can be fit into 4 0 times, resulting in a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Bring next digit (0) of the dividend behind the 4 and repeat the process: 40 / 30

Step 2:
30 can be fit into 40 1 times, resulting in a remainder of 10.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we subtract 30 from 40, we get 10.
Include the next digit (8) from the dividend after 10, then repeat: 108 / 30

On to step 3:
When dividing 108 by 30, we get 3 with a remainder of 18.
Record the quotient 3 as the next digit in the result. 
Result so far: 13.0
Subtract 90 from 108 to get 18.
Take the next digit (5) from the dividend and append it to 18, then repeat: 185 / 30

Advancing to step 4:
If we divide 185 by 30, we get 6 and a remainder of 5.
The next digit of our result is 6. 
Result so far: 136.0
Subtracting 180 from 185 leaves us with 5.
Take the next digit (0) from the dividend and append it to 5, then repeat: 50 / 30

Advancing to step 5:
The number 30 fits into 50 1 times, leaving a remainder of 20.
Record the quotient 1 as the next digit in the result. 
Result so far: 1361.0
Subtracting 30 from 50 leaves us with 20.
Append the next digit (3) from the dividend to 20 and continue with: 203 / 30

On to step 6:
The number 30 fits into 203 6 times, leaving a remainder of 23.
Put 6 as the next digit of the answer. 
Result so far: 13616.0
Subtract 180 from 203 to get 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Let's proceed to step 7:
30 can be fit into 230 7 times, resulting in a remainder of 20.
The number 7 becomes the next digit in our result. 
Result so far: 13616.7
The remainder is 20 after subtracting 210 from 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Moving on to step 8:
200 divided by 30 is 6 with a remainder of 20.
The next digit of our result is 6. 
Result so far: 13616.76
Subtract 180 from 200 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 9:
The number 30 fits into 200 6 times, leaving a remainder of 20.
The number 6 becomes the next digit in our result. 
Result so far: 13616.766
If we subtract 180 from 200, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Our division results in 13616.766 with a remaining 0.002.