13÷26/27= 48÷12/17= 50÷20/21= 2/5÷3/4=
6/7÷9/14= 16/27÷8/15= 15÷18/19= 10÷15/16=
24÷36/37= 24÷96/97= 80÷15/28= 100÷41/6=
8/9÷28/45= 25/27÷20/27= 15/9÷28/81= 13/19÷26/38=
56/57÷7/19= 27/32÷33/8=