10 4/15+9 11/15 -8 1/30

Question

10 4/15+9 11/15 -8 1/30

Answer 1

10 4/15 + 9 11/15 - 8 1/30 =
(10+9-8) + (4/15 + 9/15 - 1/30) =
11 + (8+18-1)/30 = 11 25/30 = 11 5/6 - ОТВЕТ