Question

16) What properties, the following expressions shows?
$\frac{2}{3 } + \frac{4}{5} = \frac{4}{5} + \frac{2}{3}$
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Answer 1

$\frac{2}{3 } + \frac{4}{5} = \frac{4}{5} + \frac{2}{3} \\ \\ \frac{12 + 10}{15} = \frac{12 + 10}{15} \\ \\ \frac{22}{15} = \frac{22}{15}$

LHS = RHS