plis dari no 1-5 :):):):):):):):)

a. 1 / 3 + 2 / 5 + 4 / 6
(samakan penyebut) 10/30 + 12/30 + 20/30 = 42/30 = 21/15 = 7/5
b. 5/6 + 3/4 + 2/3 = 10/12 + 9/12 + 8/12 = 27/12 = 9/4
c. 7/8 + 3/4 + 2/3 = 21/24 + 18/25 + 16/24 = 55/24
d. 2/9 + 2/3 + 2/4 = 8/36 + 24/36 + 18/36 = 50/36 = 25/18
e. 2/10 + 3/5 + 1/2 = 2/10 + 6/10 + 5/10 = 13/10 = 1,3