67391 ÷ 9 = 7487 R8
We're going to perform division on 67391 with 9 as the divisor.

Step 1:
9 goes into 6 0 times with a remainder of 6.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 6 to get 6.
Bring next digit (7) of the dividend behind the 6 and repeat the process: 67 / 9

Step 2:
9 goes into 67 7 times with a remainder of 4.
Write down 7 as next digit of of the result. 
Result so far: 7
Subtract 63 from 67 to get 4.
Bring next digit (3) of the dividend behind the 4 and repeat the process: 43 / 9

Step 3:
9 goes into 43 4 times with a remainder of 7.
Write down 4 as next digit of of the result. 
Result so far: 74
Subtract 36 from 43 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: 748
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: 7487
Subtract 63 from 71 to get 8.

The final result is 7487 with a remainder of 8.