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Answers.everydaycalculation.com » Compare fractions

Compare 72/45 and 30/42

1st number: 1 27/45, 2nd number: 30/42

72/45 is greater than 30/42

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    72/45 = 72 × 14/45 × 14 = 1008/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    30/42 = 30 × 15/42 × 15 = 450/630
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1008/630 > 450/630 or 72/45 > 30/42

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