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Subtract 15/27 from 1/28

1/28 - 15/27 is -131/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 27 is 756

    Next, find the equivalent fraction of both fractional numbers with denominator 756
  2. For the 1st fraction, since 28 × 27 = 756,
    1/28 = 1 × 27/28 × 27 = 27/756
  3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
    15/27 = 15 × 28/27 × 28 = 420/756
  4. Subtract the two like fractions:
    27/756 - 420/756 = 27 - 420/756 = -393/756
  5. After reducing the fraction, the answer is -131/252

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