Выполните действие 8 /15 + 3/10 , 2 /3-1/15, 7/30+3/20, 1/9-1/18,3/4 - 0,5 , 1/4-1/8, 11/30 + 3/4 , 5/8 - 5/12 , 11/65+2/13, 0,6+2/5,

8/15+3/10=16/30+9/30=25/30=1/6 2/3-1/15=10/15-1/15=9/15=3/5 7/30+3/20=14/60+9/60=25/60=5/12 1/9-1/18=2/18-1/18=1/18 3/4-5/10=15/20-10/20=5/20=1/4 1/4-1/8=2/8-1/8=1/8 11/30+3/4=22/60+45/60=67/60=1 целая 7/60 5/8-5/12=15/24-10/24=5/24 11/65+2/13=11/65+10/65=21/65 6/10+2/5=6/10+4/10=10/10=1 1/5+17/20=4/20+17/20=21/20=1 целая 1/20 1/7-1/14=2/14-1/14=1/14 3/10+3/4=6/20+15/20=21/20=1цел 1/20 28/57-3/19=28/57-9/57=17/57 2/25-2/100=8/100-2/100=6/100=3/50