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Subtract 8/27 from 81/90

81/90 - 8/27 is 163/270.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 27 is 270
  2. For the 1st fraction, since 90 × 3 = 270,
    81/90 = 81 × 3/90 × 3 = 243/270
  3. Likewise, for the 2nd fraction, since 27 × 10 = 270,
    8/27 = 8 × 10/27 × 10 = 80/270
  4. Subtract the two fractions:
    243/270 - 80/270 = 243 - 80/270 = 163/270

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