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Subtract 45/25 from 9/8

1st number: 1 1/8, 2nd number: 1 20/25

9/8 - 45/25 is -27/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 25 is 200
  2. For the 1st fraction, since 8 × 25 = 200,
    9/8 = 9 × 25/8 × 25 = 225/200
  3. Likewise, for the 2nd fraction, since 25 × 8 = 200,
    45/25 = 45 × 8/25 × 8 = 360/200
  4. Subtract the two fractions:
    225/200 - 360/200 = 225 - 360/200 = -135/200
  5. After reducing the fraction, the answer is -27/40

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