Answer:
2/9 is the exact form
Explanation:
8/9 - 2/3
least common multiple of 9 and 3 is 9. convert 8/9 and 2/3 to fractions with denominator 9
8/9 - 6/9
since 8/9 and 6/9 have the same denominator, subtract them by subtracting their numerators
8-6
9
subtract 6 from 8 to get 2
2/9