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Answers.everydaycalculation.com » Compare fractions

Compare 21/18 and 15/48

1st number: 1 3/18, 2nd number: 15/48

21/18 is greater than 15/48

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 48 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 18 × 8 = 144,
    21/18 = 21 × 8/18 × 8 = 168/144
  3. Likewise, for the 2nd fraction, since 48 × 3 = 144,
    15/48 = 15 × 3/48 × 3 = 45/144
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 168/144 > 45/144 or 21/18 > 15/48

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