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Subtract 9/36 from 15/75

15/75 - 9/36 is -1/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 36 is 900

    Next, find the equivalent fraction of both fractional numbers with denominator 900
  2. For the 1st fraction, since 75 × 12 = 900,
    15/75 = 15 × 12/75 × 12 = 180/900
  3. Likewise, for the 2nd fraction, since 36 × 25 = 900,
    9/36 = 9 × 25/36 × 25 = 225/900
  4. Subtract the two like fractions:
    180/900 - 225/900 = 180 - 225/900 = -45/900
  5. After reducing the fraction, the answer is -1/20

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