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Answers.everydaycalculation.com » Compare fractions

Compare 4/20 and 21/25

4/20 is smaller than 21/25

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 25 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 20 × 5 = 100,
    4/20 = 4 × 5/20 × 5 = 20/100
  3. Likewise, for the 2nd fraction, since 25 × 4 = 100,
    21/25 = 21 × 4/25 × 4 = 84/100
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 20/100 < 84/100 or 4/20 < 21/25

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