how to convert 5.16 into fraction for 4th grader

1 answer

To convert 5.16 into a fraction, you can follow these steps:

  1. Separate the whole number from the decimal:

    • The whole number part is 5.
    • The decimal part is 0.16.
  2. Convert the decimal to a fraction:

    • The decimal 0.16 can be written as \(\frac{16}{100}\) because 16 is in the hundredths place.
  3. Simplify the fraction:

    • To simplify \(\frac{16}{100}\), find the greatest common divisor of 16 and 100, which is 4.
    • Divide both the numerator and the denominator by 4:
      • \( \frac{16 \div 4}{100 \div 4} = \frac{4}{25} \)
  4. Combine the whole number and the fraction:

    • Now we combine the whole number 5 with the fraction \(\frac{4}{25}\).
    • This makes it: \(5 \frac{4}{25}\).

So, 5.16 can be written as the mixed number \(5 \frac{4}{25}\).

If you want to write it as an improper fraction:

  • Convert the whole number to a fraction: \(5 = \frac{5 \times 25}{25} = \frac{125}{25}\).
  • Now add the fraction: \(\frac{125}{25} + \frac{4}{25} = \frac{129}{25}\).

Thus, 5.16 can be written as the improper fraction \(\frac{129}{25}\).

So the final answers are:

  • Mixed number: \(5 \frac{4}{25}\)
  • Improper fraction: \(\frac{129}{25}\)

You can choose which way to present it based on what your 4th grader finds easier!

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