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Add 12/40 and 54/56

12/40 + 54/56 is 177/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    12/40 = 12 × 7/40 × 7 = 84/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    54/56 = 54 × 5/56 × 5 = 270/280
  4. Add the two like fractions:
    84/280 + 270/280 = 84 + 270/280 = 354/280
  5. 354/280 simplified gives 177/140
  6. So, 12/40 + 54/56 = 177/140
    In mixed form: 137/140

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