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Answers.everydaycalculation.com » Compare fractions

Compare 45/70 and 42/15

1st number: 45/70, 2nd number: 2 12/15

45/70 is smaller than 42/15

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 15 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    45/70 = 45 × 3/70 × 3 = 135/210
  3. Likewise, for the 2nd fraction, since 15 × 14 = 210,
    42/15 = 42 × 14/15 × 14 = 588/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 135/210 < 588/210 or 45/70 < 42/15

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