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Subtract 45/25 from 9/4

1st number: 2 1/4, 2nd number: 1 20/25

9/4 - 45/25 is 9/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 25 is 100
  2. For the 1st fraction, since 4 × 25 = 100,
    9/4 = 9 × 25/4 × 25 = 225/100
  3. Likewise, for the 2nd fraction, since 25 × 4 = 100,
    45/25 = 45 × 4/25 × 4 = 180/100
  4. Subtract the two fractions:
    225/100 - 180/100 = 225 - 180/100 = 45/100
  5. After reducing the fraction, the answer is 9/20

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