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Answers.everydaycalculation.com » Compare fractions

Compare 21/42 and 60/18

1st number: 21/42, 2nd number: 3 6/18

21/42 is smaller than 60/18

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 18 is 126
  2. For the 1st fraction, since 42 × 3 = 126,
    21/42 = 21 × 3/42 × 3 = 63/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    60/18 = 60 × 7/18 × 7 = 420/126
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 63/126 < 420/126 or 21/42 < 60/18

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