Question

please solve it......fastly

Answer 1

$\frac{6}{7} - \frac{4}{9} = \frac{54 - 28}{63} = \frac{26}{63} = \frac{26}{63}$
The answer is 26/63

Answer 2

6/7 - 4/9
=54/63 - 36/63
=54-36/63
=18/63
=2/7