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Subtract 3/16 from 1/20

1/20 - 3/16 is -11/80.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 20 × 4 = 80,
    1/20 = 1 × 4/20 × 4 = 4/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    3/16 = 3 × 5/16 × 5 = 15/80
  4. Subtract the two like fractions:
    4/80 - 15/80 = 4 - 15/80 = -11/80

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