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Answers.everydaycalculation.com » Compare fractions

Compare 49/72 and 42/80

49/72 is greater than 42/80

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 72 × 10 = 720,
    49/72 = 49 × 10/72 × 10 = 490/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    42/80 = 42 × 9/80 × 9 = 378/720
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 490/720 > 378/720 or 49/72 > 42/80

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