70091 ÷ 9 = 7787 R8
No problem, we've got 70091 and 9 for the division.

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 (0) of the dividend behind the 7 and repeat the process: 70 / 9

Step 3:
9 goes into 70 7 times with a remainder of 7.
Write down 7 as next digit of of the result. 
Result so far: 77
Subtract 63 from 70 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: 778
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: 7787
Subtract 63 from 71 to get 8.

The final result is 7787 with a remainder of 8.