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Answers.everydaycalculation.com » Compare fractions

Compare 21/60 and 21/45

21/60 is smaller than 21/45

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 60 × 3 = 180,
    21/60 = 21 × 3/60 × 3 = 63/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    21/45 = 21 × 4/45 × 4 = 84/180
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 63/180 < 84/180 or 21/60 < 21/45

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