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Subtract 5/9 from 15/80

15/80 - 5/9 is -53/144.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 9 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    15/80 = 15 × 9/80 × 9 = 135/720
  3. Likewise, for the 2nd fraction, since 9 × 80 = 720,
    5/9 = 5 × 80/9 × 80 = 400/720
  4. Subtract the two like fractions:
    135/720 - 400/720 = 135 - 400/720 = -265/720
  5. After reducing the fraction, the answer is -53/144

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