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Answers.everydaycalculation.com » Compare fractions

Compare 25/21 and 90/8

1st number: 1 4/21, 2nd number: 11 2/8

25/21 is smaller than 90/8

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 8 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    25/21 = 25 × 8/21 × 8 = 200/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    90/8 = 90 × 21/8 × 21 = 1890/168
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 200/168 < 1890/168 or 25/21 < 90/8

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