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Answers.everydaycalculation.com » Compare fractions

Compare 5/30 and 21/56

5/30 is smaller than 21/56

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 30 × 28 = 840,
    5/30 = 5 × 28/30 × 28 = 140/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    21/56 = 21 × 15/56 × 15 = 315/840
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 140/840 < 315/840 or 5/30 < 21/56

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