Question

3 pe 15 + 1 pe 6 + 1 pe 10

Answer 1

$\frac{3}{15} + \frac{1}{6} + \frac{1}{10} = (\frac{3}{15}*2) + ( \frac{1}{6}*5) + (\frac{1}{10}*3) = \frac{6+5+3}{30} = (\frac{14}{30}^2) = \frac{7}{15}$