Question

# Express the following number in three forms: as a reduced fraction, as a decimal, and as a percentage.$2 / 5$

Solutions

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Step 1
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As we can see, $2/5$ is already a reduced fraction. But we can also express it as decimal and percentage.

As decimal, divide. Use calculator if needed.

\begin{aligned} \frac{2}{5}&=0.4 \end{aligned}

As percentage, divide to convert to a decimal then multiply to 100%

\begin{aligned} \frac{2}{5}&=0.4\\ &=0.4\times100\%\\ &=40\% \end{aligned}