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Add 28/14 and 12/80

1st number: 2 0/14, 2nd number: 12/80

28/14 + 12/80 is 43/20.

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,
    28/14 = 28 × 40/14 × 40 = 1120/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    12/80 = 12 × 7/80 × 7 = 84/560
  4. Add the two like fractions:
    1120/560 + 84/560 = 1120 + 84/560 = 1204/560
  5. 1204/560 simplified gives 43/20
  6. So, 28/14 + 12/80 = 43/20
    In mixed form: 23/20

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