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Answers.everydaycalculation.com » Compare fractions

Compare 84/70 and 80/72

1st number: 1 14/70, 2nd number: 1 8/72

84/70 is greater than 80/72

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 72 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 70 × 36 = 2520,
    84/70 = 84 × 36/70 × 36 = 3024/2520
  3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
    80/72 = 80 × 35/72 × 35 = 2800/2520
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 3024/2520 > 2800/2520 or 84/70 > 80/72

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