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Compare 3/2 and 7/21

1st number: 1 1/2, 2nd number: 7/21

3/2 is greater than 7/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 21 is 42
  2. For the 1st fraction, since 2 × 21 = 42,
    3/2 = 3 × 21/2 × 21 = 63/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    7/21 = 7 × 2/21 × 2 = 14/42
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 63/42 > 14/42 or 3/2 > 7/21

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