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Add 12/14 and 3/40

12/14 + 3/40 is 261/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 14 × 20 = 280,
    12/14 = 12 × 20/14 × 20 = 240/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    3/40 = 3 × 7/40 × 7 = 21/280
  4. Add the two like fractions:
    240/280 + 21/280 = 240 + 21/280 = 261/280
  5. So, 12/14 + 3/40 = 261/280

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