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Answers.everydaycalculation.com » Compare fractions

Compare 20/21 and 21/48

20/21 is greater than 21/48

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 48 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 21 × 16 = 336,
    20/21 = 20 × 16/21 × 16 = 320/336
  3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
    21/48 = 21 × 7/48 × 7 = 147/336
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 320/336 > 147/336 or 20/21 > 21/48

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