Question

find a rational number between
$\frac{4}{5} \: and \: \frac{6}{7}$
​

Answer 1

Solution;

$\frac{1}{2} \times \frac{4}{5} + \frac{6}{7}$

$\frac{1}{2} \times \frac{28 + 30}{35}$

$\frac{1}{2} \times \frac{58}{35}$

$\frac{29}{35}$

Answer 2

1/2×4/5+6/7

= 1/2 × 28+30/35

=1/2 ×58/35

=29/35