GAUSS8 2010 Problem 6

Past Contests GAUSS8 GAUSS (GR. 8) - 2010
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1

Which is the largest sum?

Answer Choices
A. \frac14+\frac15
B. \frac14+\frac16
C. \frac14+\frac13
D. \frac14+\frac18
E. \frac14+\frac17