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Answers.everydaycalculation.com » Compare fractions

Compare 84/25 and 80/90

1st number: 3 9/25, 2nd number: 80/90

84/25 is greater than 80/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 90 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 25 × 18 = 450,
    84/25 = 84 × 18/25 × 18 = 1512/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    80/90 = 80 × 5/90 × 5 = 400/450
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1512/450 > 400/450 or 84/25 > 80/90

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