Question

Using suitable property evaluate the following:-(-3/5)*7/9+2/5*7/9

Answer 1

$- ( - \frac{ - 3}{5} ) \times \frac{7}{9} + \frac{2}{5} \times \frac{7}{9}$

=

$\frac{3}{5} \times \frac{7}{9} + \frac{2}{5} \times \frac{7}{9}$

=

$\frac{7}{9} \times \frac{1}{5}(3 + 2)$

=

$\frac{7}{9}$

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