How do you convert $2/5$ to a decimal?

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Answer 1 · 2016-10-06T03:55:37

Use either long division or a proportion. $40/100=0.4$

Use long division where $2$ is the divisor and $5$ is the dividend

or

Find an equivalent fraction to $2/5$ that has a denominator of $100$

$2/5=x/100$

Cross multiply

$5*x=2*100$

Simply by dividing by 5

$(cancel5x)/cancel5=(2*cancel100 20)/cancel5$

$x=2*20=40$

$40/100=0.4$

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