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Subtract 6/15 from 15/54

15/54 - 6/15 is -11/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 15 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 54 × 5 = 270,
    15/54 = 15 × 5/54 × 5 = 75/270
  3. Likewise, for the 2nd fraction, since 15 × 18 = 270,
    6/15 = 6 × 18/15 × 18 = 108/270
  4. Subtract the two like fractions:
    75/270 - 108/270 = 75 - 108/270 = -33/270
  5. After reducing the fraction, the answer is -11/90

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