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Subtract 5/4 from 4/45

1st number: 4/45, 2nd number: 1 1/4

4/45 - 5/4 is -209/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 4 is 180
  2. For the 1st fraction, since 45 × 4 = 180,
    4/45 = 4 × 4/45 × 4 = 16/180
  3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
    5/4 = 5 × 45/4 × 45 = 225/180
  4. Subtract the two fractions:
    16/180 - 225/180 = 16 - 225/180 = -209/180

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