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Compare 21/4 and 21/3

1st number: 5 1/4, 2nd number: 7 0/3

21/4 is smaller than 21/3

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 3 is 12
  2. For the 1st fraction, since 4 × 3 = 12,
    21/4 = 21 × 3/4 × 3 = 63/12
  3. Likewise, for the 2nd fraction, since 3 × 4 = 12,
    21/3 = 21 × 4/3 × 4 = 84/12
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 63/12 < 84/12 or 21/4 < 21/3

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