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Subtract 9/8 from 40/50

1st number: 40/50, 2nd number: 1 1/8

40/50 - 9/8 is -13/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 8 is 200

    Next, find the equivalent fraction of both fractional numbers with denominator 200
  2. For the 1st fraction, since 50 × 4 = 200,
    40/50 = 40 × 4/50 × 4 = 160/200
  3. Likewise, for the 2nd fraction, since 8 × 25 = 200,
    9/8 = 9 × 25/8 × 25 = 225/200
  4. Subtract the two like fractions:
    160/200 - 225/200 = 160 - 225/200 = -65/200
  5. After reducing the fraction, the answer is -13/40

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