answer the questions below , match each answer to a letter in the key ... 1.) 1/2+ 1/3= 2). 1/6+1/3= 3).2/3+1/3= 4).1/2-1/4= 5.)4/12-1/6= 6).3/2-1/4= KEY: C.5/4 H.1 I.1/2 U.1/4 P.1/6 S.1/2​