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Subtract 3/20 from 9/16

9/16 - 3/20 is 33/80.

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,
    9/16 = 9 × 5/16 × 5 = 45/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    3/20 = 3 × 4/20 × 4 = 12/80
  4. Subtract the two like fractions:
    45/80 - 12/80 = 45 - 12/80 = 33/80

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