Question

how to find irrational between 5/7&7/9

Answer 1

easily multiply the both numbers by root i.e.
= root of 5/7×root of 7/9
=root5/9. because 7 cancelled
=so, root9=3
=3root5



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Answer 2

You can find ration number between
$\frac{5}{7} \: and \: \frac{7}{9}$
using formula
$\frac{1}{2} \times (x + y)$
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