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Answers.everydaycalculation.com » Compare fractions

Compare 21/12 and 9/10

1st number: 1 9/12, 2nd number: 9/10

21/12 is greater than 9/10

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 10 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    21/12 = 21 × 5/12 × 5 = 105/60
  3. Likewise, for the 2nd fraction, since 10 × 6 = 60,
    9/10 = 9 × 6/10 × 6 = 54/60
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 105/60 > 54/60 or 21/12 > 9/10

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