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Add 3/5 and 42/56

3/5 + 42/56 is 27/20.

Steps for adding 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,
    3/5 = 3 × 56/5 × 56 = 168/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    42/56 = 42 × 5/56 × 5 = 210/280
  4. Add the two like fractions:
    168/280 + 210/280 = 168 + 210/280 = 378/280
  5. 378/280 simplified gives 27/20
  6. So, 3/5 + 42/56 = 27/20
    In mixed form: 17/20

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