Вычислите 3/4-(1 1/3-1 1/6) 3 1/2-5/9

Question

Вычислите 3/4-(1 1/3-1 1/6) 3 1/2-5/9

Answer 1

3/4 - ( 1 1/3 - 1 1/6) = 3/4 - (4/3 - 7/6) = 3/4 - (8/6 - 7/6) = 3/4 - 1/6 = 9/12 - 2/12 = 7/12 

3 1/2 - 5/9 = 7/2 - 5/9 = 63/18 - 10/18 = 53/18 = 2 17/18