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Subtract 12/40 from 1/35

1/35 - 12/40 is -19/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 40 is 280
  2. For the 1st fraction, since 35 × 8 = 280,
    1/35 = 1 × 8/35 × 8 = 8/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    12/40 = 12 × 7/40 × 7 = 84/280
  4. Subtract the two fractions:
    8/280 - 84/280 = 8 - 84/280 = -76/280
  5. After reducing the fraction, the answer is -19/70

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