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Answers.everydaycalculation.com » Compare fractions

Compare 20/5 and 40/8

1st number: 4 0/5, 2nd number: 5 0/8

20/5 is smaller than 40/8

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 5 × 8 = 40,
    20/5 = 20 × 8/5 × 8 = 160/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    40/8 = 40 × 5/8 × 5 = 200/40
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 160/40 < 200/40 or 20/5 < 40/8

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