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Answers.everydaycalculation.com » Compare fractions

Compare 63/16 and 21/20

1st number: 3 15/16, 2nd number: 1 1/20

63/16 is greater than 21/20

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 20 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 16 × 5 = 80,
    63/16 = 63 × 5/16 × 5 = 315/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    21/20 = 21 × 4/20 × 4 = 84/80
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 315/80 > 84/80 or 63/16 > 21/20

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