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Subtract 20/49 from 15/36

15/36 - 20/49 is 5/588.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 49 is 1764

    Next, find the equivalent fraction of both fractional numbers with denominator 1764
  2. For the 1st fraction, since 36 × 49 = 1764,
    15/36 = 15 × 49/36 × 49 = 735/1764
  3. Likewise, for the 2nd fraction, since 49 × 36 = 1764,
    20/49 = 20 × 36/49 × 36 = 720/1764
  4. Subtract the two like fractions:
    735/1764 - 720/1764 = 735 - 720/1764 = 15/1764
  5. After reducing the fraction, the answer is 5/588

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