Compare the fractions by filling appropriate sign $>, < o r =$ .
$\frac{4}{7} [] \frac{7}{9}$

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Solution

Let us find LCM of $7 a n d 9$ , we get $L C M (7, 9) = 63$
∴ $\frac{4}{7} = \frac{4 \times 9}{7 \times 9} = \frac{36}{63}$
$\frac{7}{9} = \frac{7 \times 7}{9 \times 7} = \frac{49}{63}$
$\frac{36}{63} < \frac{49}{63}$
∴ $\frac{4}{7} < \frac{7}{9}$

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Compare the given fraction and replace $' □'$ by an appropriate sign $' < or >'$

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