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Answers.everydaycalculation.com » Compare fractions

Compare 70/30 and 21/50

1st number: 2 10/30, 2nd number: 21/50

70/30 is greater than 21/50

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 50 is 150

    Next, find the equivalent fraction of both fractional numbers with denominator 150
  2. For the 1st fraction, since 30 × 5 = 150,
    70/30 = 70 × 5/30 × 5 = 350/150
  3. Likewise, for the 2nd fraction, since 50 × 3 = 150,
    21/50 = 21 × 3/50 × 3 = 63/150
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 350/150 > 63/150 or 70/30 > 21/50

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