Selesaikan soal soal dibawah ini 1. 3/7-4/5-1/2 2.1 2/5+1/6-2/3

1. 3/7 - 4/5 - 1/2
    = 30-56-35 / 70
    = - 61/70

2. 1 2/5 + 1/6 - 2/3
    = 7/5 + 1/6 - 2/3
    = 42+5-20 / 30
    = 27/30