10целых 3/8-4целых 2/3

83/8 - 14/3 = 249/24 - 112/24 = 137/24 = 5целых 17/24

[latex]10 frac{3}{8} -4 frac{2}{3} = frac{83}{8} - frac{14}{3} = frac{83*3}{24} - frac{14*8}{24} = frac{249}{24}- frac{112}{24} = frac{137}{24} =5 frac{17}{24} [/latex]