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Compare 7/14 and 5/21

7/14 is greater than 5/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 21 is 42
  2. For the 1st fraction, since 14 × 3 = 42,
    7/14 = 7 × 3/14 × 3 = 21/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    5/21 = 5 × 2/21 × 2 = 10/42
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 21/42 > 10/42 or 7/14 > 5/21

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