81898 ÷ 9 = 9099 R7
We're going to perform division on 81898 with 9 as the divisor.

Step 1:
9 goes into 8 0 times with a remainder of 8.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 8 to get 8.
Bring next digit (1) of the dividend behind the 8 and repeat the process: 81 / 9

Step 2:
9 goes into 81 9 times with a remainder of 0.
Write down 9 as next digit of of the result. 
Result so far: 9
Subtract 81 from 81 to get 0.
Bring next digit (8) of the dividend behind the 0 and repeat the process: 8 / 9

Step 3:
9 goes into 8 0 times with a remainder of 8.
Write down 0 as next digit of of the result. 
Result so far: 90
Subtract 0 from 8 to get 8.
Bring next digit (9) of the dividend behind the 8 and repeat the process: 89 / 9

Step 4:
9 goes into 89 9 times with a remainder of 8.
Write down 9 as next digit of of the result. 
Result so far: 909
Subtract 81 from 89 to get 8.
Bring next digit (8) of the dividend behind the 8 and repeat the process: 88 / 9

Step 5:
9 goes into 88 9 times with a remainder of 7.
Write down 9 as next digit of of the result. 
Result so far: 9099
Subtract 81 from 88 to get 7.

The final result is 9099 with a remainder of 7.