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Answers.everydaycalculation.com » Compare fractions

Compare 45/75 and 72/30

1st number: 45/75, 2nd number: 2 12/30

45/75 is smaller than 72/30

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,
    45/75 = 45 × 2/75 × 2 = 90/150
  3. Likewise, for the 2nd fraction, since 30 × 5 = 150,
    72/30 = 72 × 5/30 × 5 = 360/150
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 90/150 < 360/150 or 45/75 < 72/30

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