Помогите: 7 1/6+2 11/42, 4 2/3+7 4/5

Question

Помогите: 7 1/6+2 11/42, 4 2/3+7 4/5

Answer 1

7 1/6+2 11/42= 7 7/42+2 11/42= 18 18/42 4 2/3+7 4/5= 4 10/15+ 7 12/15= 11 22/15=19 7/15