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Subtract 45/15 from 9/4

1st number: 2 1/4, 2nd number: 3 0/15

9/4 - 45/15 is -3/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 15 is 60
  2. For the 1st fraction, since 4 × 15 = 60,
    9/4 = 9 × 15/4 × 15 = 135/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    45/15 = 45 × 4/15 × 4 = 180/60
  4. Subtract the two fractions:
    135/60 - 180/60 = 135 - 180/60 = -45/60
  5. After reducing the fraction, the answer is -3/4

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