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Answers.everydaycalculation.com » Compare fractions

Compare 42/50 and 80/18

1st number: 42/50, 2nd number: 4 8/18

42/50 is smaller than 80/18

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 18 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 50 × 9 = 450,
    42/50 = 42 × 9/50 × 9 = 378/450
  3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
    80/18 = 80 × 25/18 × 25 = 2000/450
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 378/450 < 2000/450 or 42/50 < 80/18

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