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Answers.everydaycalculation.com » Compare fractions

Compare 20/63 and 18/80

20/63 is greater than 18/80

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 80 is 5040

    Next, find the equivalent fraction of both fractional numbers with denominator 5040
  2. For the 1st fraction, since 63 × 80 = 5040,
    20/63 = 20 × 80/63 × 80 = 1600/5040
  3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
    18/80 = 18 × 63/80 × 63 = 1134/5040
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1600/5040 > 1134/5040 or 20/63 > 18/80

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