tolong ya.......a-e......

a.4/9 + 2/9 = 6/9 = 2/3
b.3/6 + 5/6 = 8/6 =1 2/6 = 1 1/3
c.2 1/3 + 3/4 = 7/3 + 3/4 = 28/12 + 9/12 = 37/12 = 3 1/12
d.2/3 + 3 5/9 = 2/3 + 32/9 = 6/9+32/9 = 38/9 = 4 2/9
e.2/3 + 2 1/2 + 3 1/4 = 2/3 + 5/2 + 13/4 = 8/12 + 30/12 + 39/12 = 77/12
=6 5/12
maaf kalau salah semoga membantu