Question

помогите решить.(7/9+2/15)*2 8/14

Answer 1

7/9  +  2/15  = (7 × 5  +  2 × 3)/45 = (35  +  6)/45 =  41/45
41/45  ×  2 8/14 = 41/45  ×  18/7 =  82/35 = 2 12/35