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Answers.everydaycalculation.com » Compare fractions

Compare 20/30 and 28/8

1st number: 20/30, 2nd number: 3 4/8

20/30 is smaller than 28/8

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 8 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 30 × 4 = 120,
    20/30 = 20 × 4/30 × 4 = 80/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    28/8 = 28 × 15/8 × 15 = 420/120
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 80/120 < 420/120 or 20/30 < 28/8

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