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Answers.everydaycalculation.com » Compare fractions

Compare 72/63 and 45/42

1st number: 1 9/63, 2nd number: 1 3/42

72/63 is greater than 45/42

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 42 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 63 × 2 = 126,
    72/63 = 72 × 2/63 × 2 = 144/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    45/42 = 45 × 3/42 × 3 = 135/126
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 144/126 > 135/126 or 72/63 > 45/42

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