Сократите дробь 468/576 ; 234/288 ; 360/630 ; 180/2250
сократите на 3 или 9
в обычную
468/576 = 117/144 234/288 = 117/144 360/630 = 36/63 = 4/7 180/2250 = 18/225 = 2/25