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Subtract 4/8 from 15/35

15/35 - 4/8 is -1/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 8 is 280
  2. For the 1st fraction, since 35 × 8 = 280,
    15/35 = 15 × 8/35 × 8 = 120/280
  3. Likewise, for the 2nd fraction, since 8 × 35 = 280,
    4/8 = 4 × 35/8 × 35 = 140/280
  4. Subtract the two fractions:
    120/280 - 140/280 = 120 - 140/280 = -20/280
  5. After reducing the fraction, the answer is -1/14

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