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Answers.everydaycalculation.com » Compare fractions

Compare 84/4 and 80/72

1st number: 21 0/4, 2nd number: 1 8/72

84/4 is greater than 80/72

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 72 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 4 × 18 = 72,
    84/4 = 84 × 18/4 × 18 = 1512/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    80/72 = 80 × 1/72 × 1 = 80/72
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1512/72 > 80/72 or 84/4 > 80/72

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