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Answers.everydaycalculation.com » Compare fractions

Compare 21/14 and 10/18

1st number: 1 7/14, 2nd number: 10/18

21/14 is greater than 10/18

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 18 is 126
  2. For the 1st fraction, since 14 × 9 = 126,
    21/14 = 21 × 9/14 × 9 = 189/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    10/18 = 10 × 7/18 × 7 = 70/126
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 189/126 > 70/126 or 21/14 > 10/18

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