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Answers.everydaycalculation.com » Compare fractions

Compare 40/6 and 30/21

1st number: 6 4/6, 2nd number: 1 9/21

40/6 is greater than 30/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 21 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 6 × 7 = 42,
    40/6 = 40 × 7/6 × 7 = 280/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    30/21 = 30 × 2/21 × 2 = 60/42
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 280/42 > 60/42 or 40/6 > 30/21

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