1.9x5/81=5/92.7x3/32=21/323.45x7/54=35/64.21x6/35=18/55.51x3/17=96.37x2/16=74/167.14x3/28-1/2=18.12x7/36-2=1/39.23x2/16-1/8=11/410.21x2/9-5/12=17/411.9 × 5/6 + 5/6 =25/312.3 × 2/9 + 1/3 =113.101 × ...