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Answers.everydaycalculation.com » Compare fractions

Compare 30/20 and 45/75

1st number: 1 10/20, 2nd number: 45/75

30/20 is greater than 45/75

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 75 is 300

    Next, find the equivalent fraction of both fractional numbers with denominator 300
  2. For the 1st fraction, since 20 × 15 = 300,
    30/20 = 30 × 15/20 × 15 = 450/300
  3. Likewise, for the 2nd fraction, since 75 × 4 = 300,
    45/75 = 45 × 4/75 × 4 = 180/300
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 450/300 > 180/300 or 30/20 > 45/75

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