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Add 28/80 and 8/5

1st number: 28/80, 2nd number: 1 3/5

28/80 + 8/5 is 39/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 5 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    28/80 = 28 × 1/80 × 1 = 28/80
  3. Likewise, for the 2nd fraction, since 5 × 16 = 80,
    8/5 = 8 × 16/5 × 16 = 128/80
  4. Add the two like fractions:
    28/80 + 128/80 = 28 + 128/80 = 156/80
  5. 156/80 simplified gives 39/20
  6. So, 28/80 + 8/5 = 39/20
    In mixed form: 119/20

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