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Subtract 1/20 from 5/16

5/16 - 1/20 is 21/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 20 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 16 × 5 = 80,
    5/16 = 5 × 5/16 × 5 = 25/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    1/20 = 1 × 4/20 × 4 = 4/80
  4. Subtract the two like fractions:
    25/80 - 4/80 = 25 - 4/80 = 21/80

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