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Subtract 49/9 from 45/40

1st number: 1 5/40, 2nd number: 5 4/9

45/40 - 49/9 is -311/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 is 360
  2. For the 1st fraction, since 40 × 9 = 360,
    45/40 = 45 × 9/40 × 9 = 405/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    49/9 = 49 × 40/9 × 40 = 1960/360
  4. Subtract the two fractions:
    405/360 - 1960/360 = 405 - 1960/360 = -1555/360
  5. After reducing the fraction, the answer is -311/72

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