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Answers.everydaycalculation.com » Compare fractions

Compare 7/50 and 21/90

7/50 is smaller than 21/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 90 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 50 × 9 = 450,
    7/50 = 7 × 9/50 × 9 = 63/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    21/90 = 21 × 5/90 × 5 = 105/450
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 63/450 < 105/450 or 7/50 < 21/90

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