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Subtract 21/9 from 3/25

1st number: 3/25, 2nd number: 2 3/9

3/25 - 21/9 is -166/75.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 9 is 225
  2. For the 1st fraction, since 25 × 9 = 225,
    3/25 = 3 × 9/25 × 9 = 27/225
  3. Likewise, for the 2nd fraction, since 9 × 25 = 225,
    21/9 = 21 × 25/9 × 25 = 525/225
  4. Subtract the two fractions:
    27/225 - 525/225 = 27 - 525/225 = -498/225
  5. After reducing the fraction, the answer is -166/75

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