The reciprocal of the sum of the reciprocals of $\frac{6}{5}$ and $\frac{3}{7}$ is:

  • A
    $\frac{57}{18}$
  • B
    $\frac{6}{19}$
  • C
    $\frac{18}{57}$
  • D
    $\frac{57}{35}$

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