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Answers.everydaycalculation.com » Compare fractions

Compare 72/10 and 20/40

1st number: 7 2/10, 2nd number: 20/40

72/10 is greater than 20/40

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 10 × 4 = 40,
    72/10 = 72 × 4/10 × 4 = 288/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    20/40 = 20 × 1/40 × 1 = 20/40
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 288/40 > 20/40 or 72/10 > 20/40

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