Question

Add. 18 5/12, + 8 10/12, + 23 7/12, + 28 7/17

A. 77

B. 77 1/2

C. 78 1/2

D. 79

Answer 1

\[\large \sf 18\frac{5}{12}+8\frac{10}{12}+23\frac{7}{12}+28\frac{7}{17}\] \[\ \large (18+8+23+28)+(\frac{5}{12}+\frac{10}{12}+\frac{7}{12}+\frac{7}{17})\]

Answer 2

Is the answer D?

Answer 3

It's the closest, although I got 79.25

Answer 4

I guess if they wanted you to round, then it is