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Subtract 3/15 from 12/14

12/14 - 3/15 is 23/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 15 is 210
  2. For the 1st fraction, since 14 × 15 = 210,
    12/14 = 12 × 15/14 × 15 = 180/210
  3. Likewise, for the 2nd fraction, since 15 × 14 = 210,
    3/15 = 3 × 14/15 × 14 = 42/210
  4. Subtract the two fractions:
    180/210 - 42/210 = 180 - 42/210 = 138/210
  5. After reducing the fraction, the answer is 23/35

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