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Answers.everydaycalculation.com » Compare fractions

Compare 21/25 and 3/45

21/25 is greater than 3/45

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 45 is 225

    Next, find the equivalent fraction of both fractional numbers with denominator 225
  2. For the 1st fraction, since 25 × 9 = 225,
    21/25 = 21 × 9/25 × 9 = 189/225
  3. Likewise, for the 2nd fraction, since 45 × 5 = 225,
    3/45 = 3 × 5/45 × 5 = 15/225
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 189/225 > 15/225 or 21/25 > 3/45

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