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Answers.everydaycalculation.com » Compare fractions

Compare 21/18 and 10/64

1st number: 1 3/18, 2nd number: 10/64

21/18 is greater than 10/64

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 64 is 576

    Next, find the equivalent fraction of both fractional numbers with denominator 576
  2. For the 1st fraction, since 18 × 32 = 576,
    21/18 = 21 × 32/18 × 32 = 672/576
  3. Likewise, for the 2nd fraction, since 64 × 9 = 576,
    10/64 = 10 × 9/64 × 9 = 90/576
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 672/576 > 90/576 or 21/18 > 10/64

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