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Subtract 3/54 from 12/15

12/15 - 3/54 is 67/90.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 15 × 18 = 270,
    12/15 = 12 × 18/15 × 18 = 216/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    3/54 = 3 × 5/54 × 5 = 15/270
  4. Subtract the two like fractions:
    216/270 - 15/270 = 216 - 15/270 = 201/270
  5. After reducing the fraction, the answer is 67/90

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