Carol H. answered 04/29/18
Tutor
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Masters' Degree in Mathematics with 35 years of Teaching Experience
6 1/2 + 5 3/4 + 7 1/2 = 6 2/4 + 5 3/4 + 7 2/4 = 18 7/4
18 7/4 = 18 + 1 3/4 = 19 3/4