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Add 12/27 and 42/80

12/27 + 42/80 is 349/360.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 80 is 2160

    Next, find the equivalent fraction of both fractional numbers with denominator 2160
  2. For the 1st fraction, since 27 × 80 = 2160,
    12/27 = 12 × 80/27 × 80 = 960/2160
  3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
    42/80 = 42 × 27/80 × 27 = 1134/2160
  4. Add the two like fractions:
    960/2160 + 1134/2160 = 960 + 1134/2160 = 2094/2160
  5. 2094/2160 simplified gives 349/360
  6. So, 12/27 + 42/80 = 349/360

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