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Answers.everydaycalculation.com » Compare fractions

Compare 15/72 and 84/20

1st number: 15/72, 2nd number: 4 4/20

15/72 is smaller than 84/20

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 20 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    15/72 = 15 × 5/72 × 5 = 75/360
  3. Likewise, for the 2nd fraction, since 20 × 18 = 360,
    84/20 = 84 × 18/20 × 18 = 1512/360
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 75/360 < 1512/360 or 15/72 < 84/20

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