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Subtract 80/27 from 18/10

1st number: 1 8/10, 2nd number: 2 26/27

18/10 - 80/27 is -157/135.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 27 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 10 × 27 = 270,
    18/10 = 18 × 27/10 × 27 = 486/270
  3. Likewise, for the 2nd fraction, since 27 × 10 = 270,
    80/27 = 80 × 10/27 × 10 = 800/270
  4. Subtract the two like fractions:
    486/270 - 800/270 = 486 - 800/270 = -314/270
  5. After reducing the fraction, the answer is -157/135

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