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Add 84/80 and 18/12

1st number: 1 4/80, 2nd number: 1 6/12

84/80 + 18/12 is 51/20.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 80 × 3 = 240,
    84/80 = 84 × 3/80 × 3 = 252/240
  3. Likewise, for the 2nd fraction, since 12 × 20 = 240,
    18/12 = 18 × 20/12 × 20 = 360/240
  4. Add the two like fractions:
    252/240 + 360/240 = 252 + 360/240 = 612/240
  5. 612/240 simplified gives 51/20
  6. So, 84/80 + 18/12 = 51/20
    In mixed form: 211/20

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