Помогите решить пример 5/9+4/9 * 3 1/6 *(4/19+1 5/38- 75/76

Question

Помогите решить пример
5/9+4/9 * 3 1/6 *(4/19+1 5/38- 75/76

Answer 1

5/9 + 19/6·(16/76 +43/38 - 75/76) = 5/9 + 19/6·( 16/76 + 86/76  - 75/76)=
=5/9 + 19 / 6·27 / 76 = 5/9 + 9/8 = 5/9 + 1 1/8 = 1 + 40/72 + 9/72 = 1 49/72