Question

AYUDAAAAAAAAAA ES PARA HOY

Answer 1

1. 1/2 - 1/4 = 2/8 = 1/4

  1/2 + 1/3 = 3+2/6 = 5/6

2.   1/2 + 1/5 = 5+2/16 = 7/16 = 1/2

     5/6 + 3/4 = 20+18/24= 2/24 = 1/12