Compare 5/11 and 4/5 using the benchmark fraction 1/2

The fraction ___ is less than the benchmark 1/2

The fraction ___ is greater than the benchmark 1/2

5/11 is (less than, greater than, equal too) 4/5

1 answer

To compare the fractions \( \frac{5}{11} \) and \( \frac{4}{5} \) using the benchmark fraction \( \frac{1}{2} \), we can first convert each fraction to a decimal or compare them directly.

  1. Comparing \( \frac{5}{11} \) with \( \frac{1}{2} \):

    • To convert \( \frac{5}{11} \): \[ \frac{5}{11} \approx 0.4545 \]
    • Since \( 0.4545 < 0.5 \), we can say: \[ \frac{5}{11} \text{ is less than the benchmark } \frac{1}{2}. \]
  2. Comparing \( \frac{4}{5} \) with \( \frac{1}{2} \):

    • To convert \( \frac{4}{5} \): \[ \frac{4}{5} = 0.8 \]
    • Since \( 0.8 > 0.5 \), we can say: \[ \frac{4}{5} \text{ is greater than the benchmark } \frac{1}{2}. \]
  3. Comparing \( \frac{5}{11} \) and \( \frac{4}{5} \):

    • To compare directly, we can convert both fractions to a common denominator or cross-multiply:
    • Cross-multiplying: \[ 5 \times 5 = 25 \] \[ 11 \times 4 = 44 \]
    • Since \( 25 < 44 \), it follows that: \[ \frac{5}{11} < \frac{4}{5}. \]

Putting it all together:

  • The fraction \( \frac{5}{11} \) is less than the benchmark \( \frac{1}{2} \).
  • The fraction \( \frac{4}{5} \) is greater than the benchmark \( \frac{1}{2} \).
  • \( \frac{5}{11} \) is less than \( \frac{4}{5} \).

Final answers:

  • The fraction 5/11 is less than the benchmark 1/2.
  • The fraction 4/5 is greater than the benchmark 1/2.
  • 5/11 is less than 4/5.
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