How can I express 0.4 as a fraction?

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To convert the decimal 0.4 into a fraction, we can follow a simple process:

  1. Understand the Decimal: The decimal 0.4 represents four tenths, as the digit 4 is in the tenths place.
  2. Create the Fraction: Therefore, you can write 0.4 as the fraction 4/10.
  3. Simplify the Fraction: The fraction 4/10 can be simplified. To do this, we find the greatest common divisor (GCD) of 4 and 10, which is 2.
  4. Divide both the numerator and the denominator by 2:
    • 4 ÷ 2 = 2
    • 10 ÷ 2 = 5
  5. Final Result: Thus, the simplified form of the fraction for 0.4 is 2/5.

In conclusion, 0.4 can be expressed as the fraction 2/5.

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