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Subtract 8/30 from 1/27

1/27 - 8/30 is -31/135.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 30 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 27 × 10 = 270,
    1/27 = 1 × 10/27 × 10 = 10/270
  3. Likewise, for the 2nd fraction, since 30 × 9 = 270,
    8/30 = 8 × 9/30 × 9 = 72/270
  4. Subtract the two like fractions:
    10/270 - 72/270 = 10 - 72/270 = -62/270
  5. After reducing the fraction, the answer is -31/135

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