Question

What is the reciprocal of 2 5/7? * A. 45/7 B.19/7 C.7/19 D.5/19

Answer 1

`2 \frac 5 7 = (2 * 7 + 5)/(7) = (19)/(7)`

The reciprocal of x is 1/x, what you get when you swap numerator and denominator. So here the reciprocal is


`(7)/(19)`

Answer 2

`2(5)/(7)=(19)/(7)`

So the reciprocal is
`(7)/(19)`