а) =18/12=1 6/12=1 1/2
б) = 11/24+16/24=27/24=1 3/24=1 1/8
в)=15/20+16/20=31/20=1 11/20
г)=16/60+51/60=67/60=1 7/60
д)= 15/36+22/36=37/36=1 1/36
е)=15/18+7/18=22/18=1 4/18=1 2/9
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а) =18/12=1 6/12=1 1/2
б) = 11/24+16/24=27/24=1 3/24=1 1/8
в)=15/20+16/20=31/20=1 11/20
г)=16/60+51/60=67/60=1 7/60
д)= 15/36+22/36=37/36=1 1/36
е)=15/18+7/18=22/18=1 4/18=1 2/9
б) 11/24 + 2/3 = 11/24 + 16/24 = 27/24= 1 3/24 = 1 1/8 в)3/4 + 4/5 = 15/20 + 16/20= 31/20=1 11/20 г) 4/15 + 17/20 = 20/60 + 51/60 = 71/60 = 1 11/60 д) 5/12+11/18= 15/36 + 22/36 = 37/36 = 1 1/36 е) 5/6 + 7/18 = 15/18 + 7/18 = 22/18 = 1 4/18 = 1 2/9