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Subtract 20/56 from 12/5

1st number: 2 2/5, 2nd number: 20/56

12/5 - 20/56 is 143/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 5 × 56 = 280,
    12/5 = 12 × 56/5 × 56 = 672/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    20/56 = 20 × 5/56 × 5 = 100/280
  4. Subtract the two like fractions:
    672/280 - 100/280 = 672 - 100/280 = 572/280
  5. After reducing the fraction, the answer is 143/70
  6. In mixed form: 23/70

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