Evaluate:

\(\frac 1 {15} + \frac 1 {35} + \frac 1 {63} + \frac 1 {99} + \frac 1 {143}\)

1
\(\frac 4 {39}\)
2
\(\frac 5 {39}\)
3
\(\frac 7 {39}\)
4
\(\frac {10} {39}\)

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