78449 ÷ 9 = 8716 R5
We're going to perform division on 78449 with 9 as the divisor.

Step 1:
9 goes into 7 0 times with a remainder of 7.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 7 to get 7.
Bring next digit (8) of the dividend behind the 7 and repeat the process: 78 / 9

Step 2:
9 goes into 78 8 times with a remainder of 6.
Write down 8 as next digit of of the result. 
Result so far: 8
Subtract 72 from 78 to get 6.
Bring next digit (4) of the dividend behind the 6 and repeat the process: 64 / 9

Step 3:
9 goes into 64 7 times with a remainder of 1.
Write down 7 as next digit of of the result. 
Result so far: 87
Subtract 63 from 64 to get 1.
Bring next digit (4) of the dividend behind the 1 and repeat the process: 14 / 9

Step 4:
9 goes into 14 1 times with a remainder of 5.
Write down 1 as next digit of of the result. 
Result so far: 871
Subtract 9 from 14 to get 5.
Bring next digit (9) of the dividend behind the 5 and repeat the process: 59 / 9

Step 5:
9 goes into 59 6 times with a remainder of 5.
Write down 6 as next digit of of the result. 
Result so far: 8716
Subtract 54 from 59 to get 5.

The final result is 8716 with a remainder of 5.