Question

fractia 15supra9+12supra20+2supra15

Answer 1

$\frac{15}{9} = \frac{5}{3}$
$\frac{12}{20} = \frac{3}{5}$
$\frac{5}{3} + \frac{3}{5} + \frac{2}{15} = \frac{5*5+3*3+2}{15} = \frac{36}{15} = \frac{12}{5}$