Сократите дробь 75/45, 38/66 ,54/90,36/84 надо

75/45=25/9. 38/66=19/33. 54/90=3/5. 36/84=3/7

Ократите дроби рациональным способом: 2) 15/18, 24/30, 28/32, 21/35;   3) 75/45, 38/66, 54/90, 36/84;   ;   4) 49/56,55/77, 26/65, 51/8515/18 = 5/6 24/30 = 4/5 28/32 = 7/8 21/35 = 3/5 75/45 = 5/3 = 1целая 2/3 38/66 = 19/33 54/90 = 27/45 = 9/15 = 3/5 36/84 = 18/42 = 9/21 = 3/7 49/56 = 7/8 55/77 = 5/7 26/65 = 2/5 51/85 = 3/5