You cant divide fractions so you switch it to muliplication. You also need to find the reciprocal so it would be 8/9 times 9/2. You could simplify 8/9 into 4/1 and simplify 9/2 into 1/1. 4/1 times 1/1 equals 4/1 also known as 4. Your answer would be 4.
8/9 divided by 2/9 is equal to the expression 8/9 times 9/2 ~~~~~~~~~~~~~cross this line to solve~~~~~~~~ multiply both the numerators and the denominators together (8*9) (9*2) you will get 72/18 which is simplified to 4