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Subtract 7/80 from 20/27

20/27 - 7/80 is 1411/2160.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 2160
  2. For the 1st fraction, since 27 × 80 = 2160,
    20/27 = 20 × 80/27 × 80 = 1600/2160
  3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
    7/80 = 7 × 27/80 × 27 = 189/2160
  4. Subtract the two like fractions:
    1600/2160 - 189/2160 = 1600 - 189/2160 = 1411/2160

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