2 1/3÷1 5/9-5/6 помогите

Question

2 1/3÷1 5/9-5/6 помогите

Answer 1

21/3÷15/9-5/6=21/3×9/15-5/6=7/1×1/1-1/3=7×1-1/3=20/3=6 2/3

Answer 2

2 1/3:1 5/9 =2 3/5
2 3/5 - 5/6= 1 48/30 - 25/30 = 1 23/30