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Subtract 63/8 from 56/15

1st number: 3 11/15, 2nd number: 7 7/8

56/15 - 63/8 is -497/120.

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,
    56/15 = 56 × 8/15 × 8 = 448/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    63/8 = 63 × 15/8 × 15 = 945/120
  4. Subtract the two fractions:
    448/120 - 945/120 = 448 - 945/120 = -497/120

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