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Answers.everydaycalculation.com » Compare fractions

Compare 48/20 and 18/21

1st number: 2 8/20, 2nd number: 18/21

48/20 is greater than 18/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 21 is 420
  2. For the 1st fraction, since 20 × 21 = 420,
    48/20 = 48 × 21/20 × 21 = 1008/420
  3. Likewise, for the 2nd fraction, since 21 × 20 = 420,
    18/21 = 18 × 20/21 × 20 = 360/420
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1008/420 > 360/420 or 48/20 > 18/21

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