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Answers.everydaycalculation.com » Compare fractions

Compare 2/3 and 21/10

1st number: 2/3, 2nd number: 2 1/10

2/3 is smaller than 21/10

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 10 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 3 × 10 = 30,
    2/3 = 2 × 10/3 × 10 = 20/30
  3. Likewise, for the 2nd fraction, since 10 × 3 = 30,
    21/10 = 21 × 3/10 × 3 = 63/30
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 20/30 < 63/30 or 2/3 < 21/10

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