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Add 15/16 and 27/80

15/16 + 27/80 is 51/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 16 × 5 = 80,
    15/16 = 15 × 5/16 × 5 = 75/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    27/80 = 27 × 1/80 × 1 = 27/80
  4. Add the two like fractions:
    75/80 + 27/80 = 75 + 27/80 = 102/80
  5. 102/80 simplified gives 51/40
  6. So, 15/16 + 27/80 = 51/40
    In mixed form: 111/40

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