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Answers.everydaycalculation.com » Compare fractions

Compare 7/2 and 21/28

1st number: 3 1/2, 2nd number: 21/28

7/2 is greater than 21/28

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 28 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 2 × 14 = 28,
    7/2 = 7 × 14/2 × 14 = 98/28
  3. Likewise, for the 2nd fraction, since 28 × 1 = 28,
    21/28 = 21 × 1/28 × 1 = 21/28
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 98/28 > 21/28 or 7/2 > 21/28

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