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Answers.everydaycalculation.com » Compare fractions

Compare 18/10 and 40/20

1st number: 1 8/10, 2nd number: 2 0/20

18/10 is smaller than 40/20

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 10 × 2 = 20,
    18/10 = 18 × 2/10 × 2 = 36/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    40/20 = 40 × 1/20 × 1 = 40/20
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 36/20 < 40/20 or 18/10 < 40/20

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