30491 ÷ 9 = 3387 R8
We're going to perform division on 30491 with 9 as the divisor.

Step 1:
9 goes into 3 0 times with a remainder of 3.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 3 to get 3.
Bring next digit (0) of the dividend behind the 3 and repeat the process: 30 / 9

Step 2:
9 goes into 30 3 times with a remainder of 3.
Write down 3 as next digit of of the result. 
Result so far: 3
Subtract 27 from 30 to get 3.
Bring next digit (4) of the dividend behind the 3 and repeat the process: 34 / 9

Step 3:
9 goes into 34 3 times with a remainder of 7.
Write down 3 as next digit of of the result. 
Result so far: 33
Subtract 27 from 34 to get 7.
Bring next digit (9) of the dividend behind the 7 and repeat the process: 79 / 9

Step 4:
9 goes into 79 8 times with a remainder of 7.
Write down 8 as next digit of of the result. 
Result so far: 338
Subtract 72 from 79 to get 7.
Bring next digit (1) of the dividend behind the 7 and repeat the process: 71 / 9

Step 5:
9 goes into 71 7 times with a remainder of 8.
Write down 7 as next digit of of the result. 
Result so far: 3387
Subtract 63 from 71 to get 8.

The final result is 3387 with a remainder of 8.