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Add 1/12 and 84/80

1st number: 1/12, 2nd number: 1 4/80

1/12 + 84/80 is 17/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 12 × 20 = 240,
    1/12 = 1 × 20/12 × 20 = 20/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    84/80 = 84 × 3/80 × 3 = 252/240
  4. Add the two like fractions:
    20/240 + 252/240 = 20 + 252/240 = 272/240
  5. 272/240 simplified gives 17/15
  6. So, 1/12 + 84/80 = 17/15
    In mixed form: 12/15

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