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Answers.everydaycalculation.com » Compare fractions

Compare 84/4 and 45/20

1st number: 21 0/4, 2nd number: 2 5/20

84/4 is greater than 45/20

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    84/4 = 84 × 5/4 × 5 = 420/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    45/20 = 45 × 1/20 × 1 = 45/20
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 420/20 > 45/20 or 84/4 > 45/20

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