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Compare 5/4 and 9/21

1st number: 1 1/4, 2nd number: 9/21

5/4 is greater than 9/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 21 is 84
  2. For the 1st fraction, since 4 × 21 = 84,
    5/4 = 5 × 21/4 × 21 = 105/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    9/21 = 9 × 4/21 × 4 = 36/84
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 105/84 > 36/84 or 5/4 > 9/21

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