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Subtract 5/8 from 8/15

8/15 - 5/8 is -11/120.

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,
    8/15 = 8 × 8/15 × 8 = 64/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    5/8 = 5 × 15/8 × 15 = 75/120
  4. Subtract the two fractions:
    64/120 - 75/120 = 64 - 75/120 = -11/120

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