Question

Помогите плз пожалуйста

Answer 1

= 7 + 1 + (16/21 + 5/14) = 8 + ( 32/42 + 15/42) = 8 47/42 = 9 5/42
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= 4 - 3 + (1/3 - 5/6) = 1 + (2/6 - 5/6) = 1 - 3/6 = 3/6 = 1/2

Answer 2

В первом 239/42
Во втором -7/6