651 ÷ 9 = 72 R3
Let's divide 651 by 9.

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 (5) of the dividend behind the 6 and repeat the process: 65 / 9

Step 2:
9 goes into 65 7 times with a remainder of 2.
Write down 7 as next digit of of the result. 
Result so far: 7
Subtract 63 from 65 to get 2.
Bring next digit (1) of the dividend behind the 2 and repeat the process: 21 / 9

Step 3:
9 goes into 21 2 times with a remainder of 3.
Write down 2 as next digit of of the result. 
Result so far: 72
Subtract 18 from 21 to get 3.

The final result is 72 with a remainder of 3.