tolong ya makasih yg dah jwb

kolom atas
2 1/2 - (1 + 1 1/3) = 2 1/2 - 2 1/3 = 5/2 -7/3 = 15-14 /6 = 1/6

kolom paling kanan
2 1/2 - (1 + 1/3) = 5/2 - 1 1/3 = 5/2 - 4/3 = 15-8/6 =7/6 = 1 1/6