Camille found the sum of 3 4 and 5 8 by following these steps: step 1: the least common denominator is 8. step 2: 3 4 + 5 8 = 7 8 + 5 8 step 3: 7 8 + 5 8 = 12 8 step 4: 12 8 = 1 4 8 = 1 1 2 determine whether camille's work is correct. if not, which step has an error?