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Subtract 4/20 from 28/16

1st number: 1 12/16, 2nd number: 4/20

28/16 - 4/20 is 31/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 20 is 80
  2. For the 1st fraction, since 16 × 5 = 80,
    28/16 = 28 × 5/16 × 5 = 140/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    4/20 = 4 × 4/20 × 4 = 16/80
  4. Subtract the two fractions:
    140/80 - 16/80 = 140 - 16/80 = 124/80
  5. After reducing the fraction, the answer is 31/20
  6. In mixed form: 111/20

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