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Answers.everydaycalculation.com » Compare fractions

Compare 18/7 and 28/40

1st number: 2 4/7, 2nd number: 28/40

18/7 is greater than 28/40

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 7 × 40 = 280,
    18/7 = 18 × 40/7 × 40 = 720/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    28/40 = 28 × 7/40 × 7 = 196/280
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 720/280 > 196/280 or 18/7 > 28/40

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