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Add 12/14 and 18/80

12/14 + 18/80 is 303/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 80 is 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,
    18/80 = 18 × 7/80 × 7 = 126/560
  4. Add the two fractions:
    480/560 + 126/560 = 480 + 126/560 = 606/560
  5. 606/560 simplified gives 303/280
  6. So, 12/14 + 18/80 = 303/280
    In mixed form: 123/280

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