А) 5/4 и 4/3 (12)
15/12 и 16/12
б) 1/6 и 1/7 (42)
7/42 и 6/42
В) 1/6 и 1/9 (54)
9/54 и 6/54
г) 3/25 и 1/10 (50)
6/50 и 5/50
6.500.000 ТГ. 520.000:0.08= 6.500.000