Răspuns :
328/ 100(simplficat prin 2) = 168/50 (din nou simplificam) = 82/50-ireductibila
235-23/90= 212/90 (simplificam prin 2) = 106/45-ireductibila
235-23/90= 212/90 (simplificam prin 2) = 106/45-ireductibila