A rational number lies between 7/9 and 8/9 and has denominator 18. Which is it?

15/18. 7/9 = 14/18 and 8/9 = 16/18. Only 15/18 is strictly between. 14/18 and 16/18 are the ends themselves.

A rational number lies between $\frac{7}{9}$ and $\frac{8}{9}$ and has denominator 18. Which is it?

Class 7Rational Numbers Between Two NumbersRational Numbers

\frac{7}{9} = \frac{14}{18}

and

\frac{8}{9} = \frac{16}{18}

. Only

\frac{15}{18}

is strictly between. 14/18 and 16/18 are the ends themselves.

Answer: D)

\frac{15}{18}

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