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Subtract 20/80 from 16/54

16/54 - 20/80 is 5/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 80 is 2160
  2. For the 1st fraction, since 54 × 40 = 2160,
    16/54 = 16 × 40/54 × 40 = 640/2160
  3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
    20/80 = 20 × 27/80 × 27 = 540/2160
  4. Subtract the two fractions:
    640/2160 - 540/2160 = 640 - 540/2160 = 100/2160
  5. After reducing the fraction, the answer is 5/108

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