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Answers.everydaycalculation.com » Compare fractions

Compare 30/15 and 63/40

1st number: 2 0/15, 2nd number: 1 23/40

30/15 is greater than 63/40

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 15 × 8 = 120,
    30/15 = 30 × 8/15 × 8 = 240/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    63/40 = 63 × 3/40 × 3 = 189/120
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 240/120 > 189/120 or 30/15 > 63/40

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