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Answers.everydaycalculation.com » Compare fractions

Compare 7/18 and 21/70

7/18 is greater than 21/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 18 × 35 = 630,
    7/18 = 7 × 35/18 × 35 = 245/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    21/70 = 21 × 9/70 × 9 = 189/630
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 245/630 > 189/630 or 7/18 > 21/70

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