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Answers.everydaycalculation.com » Compare fractions

Compare 63/21 and 18/6

1st number: 3 0/21, 2nd number: 3 0/6

63/21 is equivalent to 18/6

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 6 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 21 × 2 = 42,
    63/21 = 63 × 2/21 × 2 = 126/42
  3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
    18/6 = 18 × 7/6 × 7 = 126/42
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 126/42 = 126/42 or 63/21 = 18/6

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