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Answers.everydaycalculation.com » Compare fractions

Compare 63/4 and 10/21

1st number: 15 3/4, 2nd number: 10/21

63/4 is greater than 10/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 21 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 4 × 21 = 84,
    63/4 = 63 × 21/4 × 21 = 1323/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    10/21 = 10 × 4/21 × 4 = 40/84
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1323/84 > 40/84 or 63/4 > 10/21

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