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Subtract 20/54 from 2/15

2/15 - 20/54 is -32/135.

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,
    2/15 = 2 × 18/15 × 18 = 36/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    20/54 = 20 × 5/54 × 5 = 100/270
  4. Subtract the two like fractions:
    36/270 - 100/270 = 36 - 100/270 = -64/270
  5. After reducing the fraction, the answer is -32/135

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