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Answers.everydaycalculation.com » Compare fractions

Compare 70/56 and 80/21

1st number: 1 14/56, 2nd number: 3 17/21

70/56 is smaller than 80/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 21 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 56 × 3 = 168,
    70/56 = 70 × 3/56 × 3 = 210/168
  3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
    80/21 = 80 × 8/21 × 8 = 640/168
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 210/168 < 640/168 or 70/56 < 80/21

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