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Answers.everydaycalculation.com » Compare fractions

Compare 21/36 and 5/45

21/36 is greater than 5/45

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 36 × 5 = 180,
    21/36 = 21 × 5/36 × 5 = 105/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    5/45 = 5 × 4/45 × 4 = 20/180
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 105/180 > 20/180 or 21/36 > 5/45

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