How do you write 0.4 as a fraction?

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Answer 1 · 2018-05-08T18:30:45

$0.4 = 4/10 =2/5$

The first decimal place after the point represents the place holder 'tenths'.

$0.4 = 4/10$

This can simplify to $2/5$

Answer 2 · 2018-05-08T18:32:09

$4/10$ or $2/5$

Dividing $4$ by $10$ (or $2$ by $5$ ) will yield $0.4$ , meaning that all you have to do is write out the division problem as a fraction, like this.

$4/10$

Simplifying this fraction by dividing both the numerator and denominator by $2$ will yield the fraction $2/5$ , which also equals $0.4$ .