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Answers.everydaycalculation.com » Compare fractions

Compare 42/84 and 70/45

1st number: 42/84, 2nd number: 1 25/45

42/84 is smaller than 70/45

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 45 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 84 × 15 = 1260,
    42/84 = 42 × 15/84 × 15 = 630/1260
  3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
    70/45 = 70 × 28/45 × 28 = 1960/1260
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 630/1260 < 1960/1260 or 42/84 < 70/45

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