carlamane02 carlamane02 25-01-2021 Mathematics contestada Select all expressions that have a sum or difference of 3 /4 . A. 1 /2 + 2/ 4 B. 11/ 12 − 1 /6 C. 3 /5 + 3 /20 D. 7/ 8 − 1 /2 E. 2 /3 + 1 1/2