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Subtract 3/27 from 21/25

21/25 - 3/27 is 164/225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 27 is 675
  2. For the 1st fraction, since 25 × 27 = 675,
    21/25 = 21 × 27/25 × 27 = 567/675
  3. Likewise, for the 2nd fraction, since 27 × 25 = 675,
    3/27 = 3 × 25/27 × 25 = 75/675
  4. Subtract the two fractions:
    567/675 - 75/675 = 567 - 75/675 = 492/675
  5. After reducing the fraction, the answer is 164/225

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