tolong dijawab pertanyaan mtk no 8

3/2 + 13/4 + 7/3 = 18/12 + 39/12 + 28/12 = 85/12 = 7 1/12

1 1/2 + 3 1/4 + 2 1/3
= 1 6/12 + 3 3/12 + 2 4/12
= (1 + 3 + 2) + (6/12 + 3/12 + 4/12)
= 6 + 13/12
= 6 + 1 1/12
= 7 1/12