7642 ÷ 9 = 849 R1
Let's divide 7642 by 9.

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 (6) of the dividend behind the 7 and repeat the process: 76 / 9

Step 2:
9 goes into 76 8 times with a remainder of 4.
Write down 8 as next digit of of the result. 
Result so far: 8
Subtract 72 from 76 to get 4.
Bring next digit (4) of the dividend behind the 4 and repeat the process: 44 / 9

Step 3:
9 goes into 44 4 times with a remainder of 8.
Write down 4 as next digit of of the result. 
Result so far: 84
Subtract 36 from 44 to get 8.
Bring next digit (2) of the dividend behind the 8 and repeat the process: 82 / 9

Step 4:
9 goes into 82 9 times with a remainder of 1.
Write down 9 as next digit of of the result. 
Result so far: 849
Subtract 81 from 82 to get 1.

The final result is 849 with a remainder of 1.