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Answers.everydaycalculation.com » Compare fractions

Compare 42/30 and 40/72

1st number: 1 12/30, 2nd number: 40/72

42/30 is greater than 40/72

Steps for comparing fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 30 × 12 = 360,
    42/30 = 42 × 12/30 × 12 = 504/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    40/72 = 40 × 5/72 × 5 = 200/360
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 504/360 > 200/360 or 42/30 > 40/72

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