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Add 12/40 and 12/56

12/40 + 12/56 is 18/35.

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,
    12/56 = 12 × 5/56 × 5 = 60/280
  4. Add the two like fractions:
    84/280 + 60/280 = 84 + 60/280 = 144/280
  5. 144/280 simplified gives 18/35
  6. So, 12/40 + 12/56 = 18/35

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