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Subtract 9/16 from 5/90

5/90 - 9/16 is -73/144.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 16 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 90 × 8 = 720,
    5/90 = 5 × 8/90 × 8 = 40/720
  3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
    9/16 = 9 × 45/16 × 45 = 405/720
  4. Subtract the two like fractions:
    40/720 - 405/720 = 40 - 405/720 = -365/720
  5. After reducing the fraction, the answer is -73/144

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