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Answers.everydaycalculation.com » Compare fractions

Compare 7/20 and 42/27

1st number: 7/20, 2nd number: 1 15/27

7/20 is smaller than 42/27

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 27 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 20 × 27 = 540,
    7/20 = 7 × 27/20 × 27 = 189/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    42/27 = 42 × 20/27 × 20 = 840/540
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 189/540 < 840/540 or 7/20 < 42/27

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