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Answers.everydaycalculation.com » Compare fractions

Compare 20/45 and 12/28

20/45 is greater than 12/28

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 28 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 45 × 28 = 1260,
    20/45 = 20 × 28/45 × 28 = 560/1260
  3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
    12/28 = 12 × 45/28 × 45 = 540/1260
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 560/1260 > 540/1260 or 20/45 > 12/28

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