Remove decimal point and divide by 10

0.4 = 4/10

divide denominator and numerator both by 2

(4÷2)/(10÷2) = 2/5

It's a simplest form

Remove decimal point and divide by 10

0.4 = 4/10

divide denominator and numerator both by 2

(4÷2)/(10÷2) = 2/5

It's a simplest form

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