А) 1/8 и 3/4 = 1/8 и 6/8
б) 7/9 и 4/3 = 7/9 и 12/9
в) 5/16 и 5/4 = 5/16 и 20/16
г) 3/5 и 2/3 = 9/15 и 10/15
д) 3/2 и 7/5 = 15/10 и 14/10
е) 5/4 и 4/3 = 15/12 и 16/12
ж) 2/7 и 8/11 = 22/77 и 56/77
з) 1/4 и 9/25 = 25/100 и 36/100
и) 3/10 и 1/3 = 9/30 и 10/30