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Add 12/14 and 54/80

12/14 + 54/80 is 429/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 14 × 40 = 560,
    12/14 = 12 × 40/14 × 40 = 480/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    54/80 = 54 × 7/80 × 7 = 378/560
  4. Add the two like fractions:
    480/560 + 378/560 = 480 + 378/560 = 858/560
  5. 858/560 simplified gives 429/280
  6. So, 12/14 + 54/80 = 429/280
    In mixed form: 1149/280

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