65/96 : (5/16 - 7/12) +10•1 3/10

65/96 : (5/16 - 7/12) +10•1 3/10 = 35/48 - 7/12 + 31/10 = 35/48 - 7/12 + 31/10 = 175/240 - 70/240 + 144/240 = 249/240 = 1 9/240 = 1 1/27