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Subtract 3/8 from 20/27

20/27 - 3/8 is 79/216.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 8 is 216

    Next, find the equivalent fraction of both fractional numbers with denominator 216
  2. For the 1st fraction, since 27 × 8 = 216,
    20/27 = 20 × 8/27 × 8 = 160/216
  3. Likewise, for the 2nd fraction, since 8 × 27 = 216,
    3/8 = 3 × 27/8 × 27 = 81/216
  4. Subtract the two like fractions:
    160/216 - 81/216 = 160 - 81/216 = 79/216

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