Question

The simplest form of $1.5:2.5$ is

Answer 1

$$\begin{gathered} \frac{1.5}{2.5}=\frac{1.5\times 10}{2.5\times 10} \\ =\frac{15}{25} \\ =\frac{3}{5}\left(\mathrm{Divided}\mathrm{by}5\mathrm{both}\mathrm{side}\right) \end{gathered}$$

Hence, the simplest form of $1.5:2.5$ is $3:5$