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Subtract 56/40 from 28/16

1st number: 1 12/16, 2nd number: 1 16/40

28/16 - 56/40 is 7/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 40 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 40 × 2 = 80,
    56/40 = 56 × 2/40 × 2 = 112/80
  4. Subtract the two fractions:
    140/80 - 112/80 = 140 - 112/80 = 28/80
  5. After reducing the fraction, the answer is 7/20

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