70143 ÷ 9 = 7793 R6
Let's divide 70143 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 (0) of the dividend behind the 7 and repeat the process: 70 / 9

Step 2:
9 goes into 70 7 times with a remainder of 7.
Write down 7 as next digit of of the result. 
Result so far: 7
Subtract 63 from 70 to get 7.
Bring next digit (1) of the dividend behind the 7 and repeat the process: 71 / 9

Step 3:
9 goes into 71 7 times with a remainder of 8.
Write down 7 as next digit of of the result. 
Result so far: 77
Subtract 63 from 71 to get 8.
Bring next digit (4) of the dividend behind the 8 and repeat the process: 84 / 9

Step 4:
9 goes into 84 9 times with a remainder of 3.
Write down 9 as next digit of of the result. 
Result so far: 779
Subtract 81 from 84 to get 3.
Bring next digit (3) of the dividend behind the 3 and repeat the process: 33 / 9

Step 5:
9 goes into 33 3 times with a remainder of 6.
Write down 3 as next digit of of the result. 
Result so far: 7793
Subtract 27 from 33 to get 6.

The final result is 7793 with a remainder of 6.