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Subtract 60/81 from 12/45

12/45 - 60/81 is -64/135.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 81 is 405
  2. For the 1st fraction, since 45 × 9 = 405,
    12/45 = 12 × 9/45 × 9 = 108/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    60/81 = 60 × 5/81 × 5 = 300/405
  4. Subtract the two fractions:
    108/405 - 300/405 = 108 - 300/405 = -192/405
  5. After reducing the fraction, the answer is -64/135

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