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Answers.everydaycalculation.com » Compare fractions

Compare 72/4 and 90/30

1st number: 18 0/4, 2nd number: 3 0/30

72/4 is greater than 90/30

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 30 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 4 × 15 = 60,
    72/4 = 72 × 15/4 × 15 = 1080/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    90/30 = 90 × 2/30 × 2 = 180/60
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1080/60 > 180/60 or 72/4 > 90/30

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