Question

simplify using appropriate properly 4/5+3/7+5/9+1/5+4/7+4/9​

Answer 1

$\frac{4}{5} + \frac{3}{7} + \frac{5}{9} + \frac{1}{5} + \frac{4}{7} + \frac{4}{9} \\ \\ \frac{252 + 135 + 175 + 63 + 180 + 140}{315} \\ \\ = \frac{945}{315} \\ \\ = 3$