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Answers.everydaycalculation.com » Compare fractions

Compare 28/30 and 81/50

1st number: 28/30, 2nd number: 1 31/50

28/30 is smaller than 81/50

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 50 is 150
  2. For the 1st fraction, since 30 × 5 = 150,
    28/30 = 28 × 5/30 × 5 = 140/150
  3. Likewise, for the 2nd fraction, since 50 × 3 = 150,
    81/50 = 81 × 3/50 × 3 = 243/150
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 140/150 < 243/150 or 28/30 < 81/50

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