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Answers.everydaycalculation.com » Compare fractions

Compare 1/10 and 12/21

1/10 is smaller than 12/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 21 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 10 × 21 = 210,
    1/10 = 1 × 21/10 × 21 = 21/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    12/21 = 12 × 10/21 × 10 = 120/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 21/210 < 120/210 or 1/10 < 12/21

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