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Subtract 80/56 from 12/20

1st number: 12/20, 2nd number: 1 24/56

12/20 - 80/56 is -29/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 20 × 14 = 280,
    12/20 = 12 × 14/20 × 14 = 168/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    80/56 = 80 × 5/56 × 5 = 400/280
  4. Subtract the two like fractions:
    168/280 - 400/280 = 168 - 400/280 = -232/280
  5. After reducing the fraction, the answer is -29/35

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