Respuesta :

devishri1977

Answer:

[tex]\dfrac{-1}{5}[/tex]

Step-by-step explanation:

[tex]\dfrac{15}{7}*\dfrac{-21}{9} = \dfrac{5}{1}*\dfrac{-3}{3}\\\\=5*(-1)\\\\ =-5[/tex]

     

    [tex]\sf \text{Reciprocal of (-5) = $\dfrac{-1}{5}$}[/tex]
-1/5 is the answer I believe

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