a, \(\dfrac{9}{60}\); \(\dfrac{14}{60}\); \(\dfrac{16}{60}\)
b, \(\dfrac{13}{240}\); \(\dfrac{21}{240}\)
c, \(\dfrac{21}{90}\); \(\dfrac{8}{90}\)
d, \(\dfrac{63}{210}\); \(\dfrac{50}{210}\)
e, \(\dfrac{14}{120}\); \(\dfrac{9}{120}\); \(\dfrac{44}{120}\)