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Subtract 3/20 from 27/16

1st number: 1 11/16, 2nd number: 3/20

27/16 - 3/20 is 123/80.

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,
    27/16 = 27 × 5/16 × 5 = 135/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    3/20 = 3 × 4/20 × 4 = 12/80
  4. Subtract the two like fractions:
    135/80 - 12/80 = 135 - 12/80 = 123/80
  5. In mixed form: 143/80

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