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Answers.everydaycalculation.com » Compare fractions

Compare 25/8 and 20/30

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

25/8 is greater than 20/30

Steps for comparing fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 8 × 15 = 120,
    25/8 = 25 × 15/8 × 15 = 375/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    20/30 = 20 × 4/30 × 4 = 80/120
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 375/120 > 80/120 or 25/8 > 20/30

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