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Answers.everydaycalculation.com » Compare fractions

Compare 21/72 and 27/25

1st number: 21/72, 2nd number: 1 2/25

21/72 is smaller than 27/25

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 25 is 1800

    Next, find the equivalent fraction of both fractional numbers with denominator 1800
  2. For the 1st fraction, since 72 × 25 = 1800,
    21/72 = 21 × 25/72 × 25 = 525/1800
  3. Likewise, for the 2nd fraction, since 25 × 72 = 1800,
    27/25 = 27 × 72/25 × 72 = 1944/1800
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 525/1800 < 1944/1800 or 21/72 < 27/25

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