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Subtract 10/8 from 6/15

1st number: 6/15, 2nd number: 1 2/8

6/15 - 10/8 is -17/20.

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,
    6/15 = 6 × 8/15 × 8 = 48/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    10/8 = 10 × 15/8 × 15 = 150/120
  4. Subtract the two fractions:
    48/120 - 150/120 = 48 - 150/120 = -102/120
  5. After reducing the fraction, the answer is -17/20

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