2per 3 ditambah 2 1 per 2 ditambah3 1 per 4

2/3 + 2 1/2 + 3 1/4 = 8/12 + 2 6/12 + 3 3/12 = 5 17/12 = 6 5/12

2/3 + 21/2 + 31/4
-> 2/12 + 21/12 + 31/12 =
-> 54/12 itu jawabannya