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Answers.everydaycalculation.com » Compare fractions

Compare 21/50 and 21/45

21/50 is smaller than 21/45

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 45 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 50 × 9 = 450,
    21/50 = 21 × 9/50 × 9 = 189/450
  3. Likewise, for the 2nd fraction, since 45 × 10 = 450,
    21/45 = 21 × 10/45 × 10 = 210/450
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 189/450 < 210/450 or 21/50 < 21/45

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