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Answers.everydaycalculation.com » Compare fractions

Compare 21/75 and 70/30

1st number: 21/75, 2nd number: 2 10/30

21/75 is smaller than 70/30

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 30 is 150

    Next, find the equivalent fraction of both fractional numbers with denominator 150
  2. For the 1st fraction, since 75 × 2 = 150,
    21/75 = 21 × 2/75 × 2 = 42/150
  3. Likewise, for the 2nd fraction, since 30 × 5 = 150,
    70/30 = 70 × 5/30 × 5 = 350/150
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 42/150 < 350/150 or 21/75 < 70/30

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