115\11-8 21\22/1\23= помогите

Question

115\11-8 21\22/1\23= помогите

Answer 1

1) 11 ( 5/11 )-8(21/22)=11 (10/22)-8 (21/22) =10 (32/22)-8 (21/22) -8 (21/22)=2 (11/22)=2 (1/2)
2) 2 (1/2): 1 (2/3) = 5/2 :5/3 =3/2 =1,5
Ответ 1,5