I need help with number 7
(3/4 - 1/8) / (3/4 + 1/2) = (6/8 - 1/8) / (3/4 + 2/4) =(5/8) / (5/4) = 5/8 * 4/5 =20/40 reduces to 1/2
its 0.5 that the answer its 1/2