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What's 0.4 in a fraction in the simplest form?

2 Answers

6 votes

Using the place value chart, we can see that the decimal 0.4 is four tenths, so we can write 0.4 as the fraction
(4)/(10). Notice however that the fraction is not in lowest terms. We will need to divide the numerator and the denominator by the greatest common factor of 4 and 10 which is 2. Therefore, 0.4 can be written as the fraction
(2)/(5), which is in lowest terms.

What's 0.4 in a fraction in the simplest form?-example-1
User Shakirthow
by
7.9k points
1 vote

0.4=(4)/(10)=(4:2)/(10:2)=\boxed{(2)/(5)}
User Eric Thomas
by
8.7k points

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