Let's divide 903605 by 15
We want to figure out the number of times 903605 can be divided by 15.

Advancing to step 1:
When dividing 9 by 15, we get 0 with a remainder of 9.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 9, we get 9.
Append the next digit (0) from the dividend to 9 and continue with: 90 / 15

Going ahead to step 2:
When dividing 90 by 15, we get 6 with a remainder of 0.
Put 6 as the next digit of the answer. 
Result so far: 6.0
Subtract 90 from 90 to get 0.
Append the next digit (3) from the dividend to 0 and continue with: 3 / 15

Moving on to step 3:
If we divide 3 by 15, we get 0 and a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 60.0
If we take 0 away from 3, we end up with 3.
Append the next digit (6) from the dividend to 3 and continue with: 36 / 15

Moving on to step 4:
When dividing 36 by 15, we get 2 with a remainder of 6.
Put 2 as the next digit of the answer. 
Result so far: 602.0
If we subtract 30 from 36, we get 6.
Fetch the next digit (0) from the dividend, attach it to 6 and continue: 60 / 15

Step 5:
When dividing 60 by 15, we get 4 with a remainder of 0.
Record the quotient 4 as the next digit in the result. 
Result so far: 6024.0
Subtract 60 from 60 to get 0.
Fetch the next digit (5) from the dividend, attach it to 0 and continue: 5 / 15

Step 6:
15 goes into 5 0 times with a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 60240.0
Subtract 0 from 5 to get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Advancing to step 7:
When dividing 50 by 15, we get 3 with a remainder of 5.
The number 3 becomes the next digit in our result. 
Result so far: 60240.3
The remainder is 5 after subtracting 45 from 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Moving on to step 8:
When dividing 50 by 15, we get 3 with a remainder of 5.
Put 3 as the next digit of the answer. 
Result so far: 60240.33
If we take 45 away from 50, we end up 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.

Our division results in 60240.33 with a remaining 0.005.