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Subtract 35/45 from 12/35

12/35 - 35/45 is -137/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 45 is 315
  2. For the 1st fraction, since 35 × 9 = 315,
    12/35 = 12 × 9/35 × 9 = 108/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    35/45 = 35 × 7/45 × 7 = 245/315
  4. Subtract the two fractions:
    108/315 - 245/315 = 108 - 245/315 = -137/315

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