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Answers.everydaycalculation.com » Compare fractions

Compare 70/90 and 21/98

70/90 is greater than 21/98

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 98 is 4410

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 90 × 49 = 4410,
    70/90 = 70 × 49/90 × 49 = 3430/4410
  3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
    21/98 = 21 × 45/98 × 45 = 945/4410
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 3430/4410 > 945/4410 or 70/90 > 21/98

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