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Answers.everydaycalculation.com » Compare fractions

Compare 30/9 and 21/63

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

30/9 is greater than 21/63

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 63 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 9 × 7 = 63,
    30/9 = 30 × 7/9 × 7 = 210/63
  3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
    21/63 = 21 × 1/63 × 1 = 21/63
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 210/63 > 21/63 or 30/9 > 21/63

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