Question

Which fraction is greater?
$\frac{1}{7},\frac{1}{9}$

Answer 1

$\frac{1}{7}=\frac{1\times 9}{7\times 9}=\frac{9}{63}$

$\frac{1}{9}=\frac{1\times 7}{9\times 7}=\frac{7}{63}$

Since $9>7$ [Comparing numerators of like fractions]

So, $\frac{1}{7}>\frac{1}{9}$