Respuesta :

BrainHelper
9/7 is the reciprocal of 7/9
TSO
The reciprocal of a/b is b/a

The reciprocal of 7/9 is 9/7

If you are given a mixed number like 1 2/3, then first convert it to an improper fraction using:
[tex]a \frac{b}{c} = \frac{(a\times c) + b}{c}[/tex]

And then you find the reciprocal of it.

Your answer is C. 9/7.

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