taniareyesjimenez200 taniareyesjimenez200 25-05-2021 Mathematics contestada What needs to be done before you can add or subtract in this equation? X - 3/4 = 1/2 A)multiply by the reciprocal of 3/4 B)multiply by the reciprocal of 1/2 C)Find the LCD between 1/2 and 3/4