Respuesta :

Answer:

1/8  + 1 / 120    = 2/15

1/9  +  1 / 45     = 2/15

1/10  +  1 / 30   = 2/15

1/12  +  1 / 20   = 2/15

1/15  +  1/15     = 2/15

I do not understand can you explain better