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Subtract 3/8 from 5/15

5/15 - 3/8 is -1/24.

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,
    5/15 = 5 × 8/15 × 8 = 40/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    3/8 = 3 × 15/8 × 15 = 45/120
  4. Subtract the two fractions:
    40/120 - 45/120 = 40 - 45/120 = -5/120
  5. After reducing the fraction, the answer is -1/24

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