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Answers.everydaycalculation.com » Compare fractions

Compare 70/72 and 80/30

1st number: 70/72, 2nd number: 2 20/30

70/72 is smaller than 80/30

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 30 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    70/72 = 70 × 5/72 × 5 = 350/360
  3. Likewise, for the 2nd fraction, since 30 × 12 = 360,
    80/30 = 80 × 12/30 × 12 = 960/360
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 350/360 < 960/360 or 70/72 < 80/30

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