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Answers.everydaycalculation.com » Compare fractions

Compare 25/30 and 40/42

25/30 is smaller than 40/42

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    25/30 = 25 × 7/30 × 7 = 175/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    40/42 = 40 × 5/42 × 5 = 200/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 175/210 < 200/210 or 25/30 < 40/42

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