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Answers.everydaycalculation.com » Compare fractions

Compare 40/70 and 15/30

40/70 is greater than 15/30

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    40/70 = 40 × 3/70 × 3 = 120/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    15/30 = 15 × 7/30 × 7 = 105/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 120/210 > 105/210 or 40/70 > 15/30

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