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Subtract 45/15 from 9/8

1st number: 1 1/8, 2nd number: 3 0/15

9/8 - 45/15 is -15/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 15 is 120
  2. For the 1st fraction, since 8 × 15 = 120,
    9/8 = 9 × 15/8 × 15 = 135/120
  3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
    45/15 = 45 × 8/15 × 8 = 360/120
  4. Subtract the two fractions:
    135/120 - 360/120 = 135 - 360/120 = -225/120
  5. After reducing the fraction, the answer is -15/8

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