5 4/7 * 2 9\13 - 1 2/3 : ( 4 2/9 - 2 5/6)

Question

5 4/7 * 2 9\13 - 1 2/3 : ( 4 2/9 - 2 5/6)

Answer 1

39/7*35/13-5/3(38/9-17/6) = 3*5 - 5/3:50/36 = 15-1,2 = 13,8