apocalypseArisen А) 3/8+5/16 = 6/16 + 5/16 = 11/16

б) 5/18 + 2/9 = 5/18 + 4/18 = 9/18

в) 4/7 + 3/14 = 8/14 + 3/14 = 11/14

г) 7/100 + 3/10 = 7/100 + 30/100 = 37/100

эльфф 1) 6/16+5/16=11/16
2) 5/18+4/18=9/18=1/2
3) 9/14+3/14=12/14=6/7
4) 7/100+30/100=37/100