Question

Find the ratio of the following and write in the lowest form.

$1.5h$to $30min$

Answer 1

Converting hours to minutes.

$$\begin{gathered} 1.5h=1.5\times 60 \\ =90min \end{gathered}$$ $\left[1hour=60min\right]$

Ratio $=90:30$

$$\begin{gathered} =\frac{\cancel{90}}{\cancel{30}} \\ =\frac{3}{1} \end{gathered}$$

$=3:1$

Hence, the ratio of the given question is $90:30$ and the lowest form is $3:1$.