Rational numbers between 3/7 and 5/7
to take out 10 rational no. beetween 3/7 and 5/7, we multiply the numerators and denominators of both the no.s with 10.
= 3x10/7x10 and 5x10/7x10
=30/70 and 50/70, now 4 rational no.s beetween them are 31/70,32/70,33/70,34/70.
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. Use this method