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Answers.everydaycalculation.com » Compare fractions

Compare 30/21 and 3/63

1st number: 1 9/21, 2nd number: 3/63

30/21 is greater than 3/63

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 63 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 21 × 3 = 63,
    30/21 = 30 × 3/21 × 3 = 90/63
  3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
    3/63 = 3 × 1/63 × 1 = 3/63
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 90/63 > 3/63 or 30/21 > 3/63

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