Question

If 15 counters are the whole set how many are three fifths of the set?

Answer 1

$\frac{3}{5}\ of\ 15=\frac{3}{5}\times15=\frac{3}{5}\times\frac{15}{1}=\frac{3\times15}{5\times1}=\frac{3\times3}{1\times1}=\frac{9}{1}=\boxed9$