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Answers.everydaycalculation.com » Compare fractions

Compare 50/20 and 21/5

1st number: 2 10/20, 2nd number: 4 1/5

50/20 is smaller than 21/5

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    50/20 = 50 × 1/20 × 1 = 50/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    21/5 = 21 × 4/5 × 4 = 84/20
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 50/20 < 84/20 or 50/20 < 21/5

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