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Answers.everydaycalculation.com » Compare fractions

Compare 2/5 and 21/6

1st number: 2/5, 2nd number: 3 3/6

2/5 is smaller than 21/6

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 6 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 5 × 6 = 30,
    2/5 = 2 × 6/5 × 6 = 12/30
  3. Likewise, for the 2nd fraction, since 6 × 5 = 30,
    21/6 = 21 × 5/6 × 5 = 105/30
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 12/30 < 105/30 or 2/5 < 21/6

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