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Subtract 16/27 from 21/80

21/80 - 16/27 is -713/2160.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 27 is 2160

    Next, find the equivalent fraction of both fractional numbers with denominator 2160
  2. For the 1st fraction, since 80 × 27 = 2160,
    21/80 = 21 × 27/80 × 27 = 567/2160
  3. Likewise, for the 2nd fraction, since 27 × 80 = 2160,
    16/27 = 16 × 80/27 × 80 = 1280/2160
  4. Subtract the two like fractions:
    567/2160 - 1280/2160 = 567 - 1280/2160 = -713/2160

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