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Subtract 12/20 from 5/35

5/35 - 12/20 is -16/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 20 is 140
  2. For the 1st fraction, since 35 × 4 = 140,
    5/35 = 5 × 4/35 × 4 = 20/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    12/20 = 12 × 7/20 × 7 = 84/140
  4. Subtract the two fractions:
    20/140 - 84/140 = 20 - 84/140 = -64/140
  5. After reducing the fraction, the answer is -16/35

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