Question

Write a rational number between 5/7 and 7/9 .

Answer 1

5/7 and 7/9

5x9/7x9 and 7x7/9x7

45/63 and 49/63

∴numbers between 5/7 and 7/9 are 46/63 , 47/63 and 48/63

*write any one number and if asked 2 then write 2 only

Answer 2

HEY MATE!
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YOUR ANSWER...

You need 1 rational number between the given numbers. So, we have to do cross multiplication.
$\frac{5 \times 9}{7 \times 9} \: and \: \frac{7 \times 7}{9 \times 7}$
$\frac{45}{63} and \: \frac{49}{63}$
So, there are many rational numbers between them.
Eg.
46/63
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HOPE IT HELPS!

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