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Subtract 6/8 from 3/15

3/15 - 6/8 is -11/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 8 is 120
  2. For the 1st fraction, since 15 × 8 = 120,
    3/15 = 3 × 8/15 × 8 = 24/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    6/8 = 6 × 15/8 × 15 = 90/120
  4. Subtract the two fractions:
    24/120 - 90/120 = 24 - 90/120 = -66/120
  5. After reducing the fraction, the answer is -11/20

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