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Answers.everydaycalculation.com » Compare fractions

Compare 21/5 and 40/30

1st number: 4 1/5, 2nd number: 1 10/30

21/5 is greater than 40/30

Steps for comparing fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 5 × 6 = 30,
    21/5 = 21 × 6/5 × 6 = 126/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    40/30 = 40 × 1/30 × 1 = 40/30
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 126/30 > 40/30 or 21/5 > 40/30

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