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Answers.everydaycalculation.com » Compare fractions

Compare 84/42 and 12/70

1st number: 2 0/42, 2nd number: 12/70

84/42 is greater than 12/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    84/42 = 84 × 5/42 × 5 = 420/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    12/70 = 12 × 3/70 × 3 = 36/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 420/210 > 36/210 or 84/42 > 12/70

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