Answer:
a) ⅖+⅓ = 6/15 + 5/15 = 11/15
b) 5/9 - 1/2 = 10/18 - 9/18 = 1/18
5/8
Step-by-step explanation:
(20 + 1) + (30)
Step-by-step explanation
i think that is the answer sorry if i'm wrong