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Answers.everydaycalculation.com » Compare fractions

Compare 18/14 and 21/45

1st number: 1 4/14, 2nd number: 21/45

18/14 is greater than 21/45

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 45 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 14 × 45 = 630,
    18/14 = 18 × 45/14 × 45 = 810/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    21/45 = 21 × 14/45 × 14 = 294/630
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 810/630 > 294/630 or 18/14 > 21/45

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