Question

42/26, 35/77, 48/60, 72/96

Answer 1

42/16=21/13,  35/77=5/11,  48/60=4/5, 72/96=8/12=2/3,  56/70=8/10=4/5

72/90=36/45=4/5,  60/105=4/7,  45/150=3/10,  84/120=21/30=7/10,
96/100=24/25