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Add 54/20 and 42/56

1st number: 2 14/20, 2nd number: 42/56

54/20 + 42/56 is 69/20.

Steps for adding 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,
    54/20 = 54 × 14/20 × 14 = 756/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    42/56 = 42 × 5/56 × 5 = 210/280
  4. Add the two like fractions:
    756/280 + 210/280 = 756 + 210/280 = 966/280
  5. 966/280 simplified gives 69/20
  6. So, 54/20 + 42/56 = 69/20
    In mixed form: 39/20

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