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Add 4/5 and 15/16

4/5 + 15/16 is 139/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 16 is 80
  2. For the 1st fraction, since 5 × 16 = 80,
    4/5 = 4 × 16/5 × 16 = 64/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    15/16 = 15 × 5/16 × 5 = 75/80
  4. Add the two fractions:
    64/80 + 75/80 = 64 + 75/80 = 139/80
  5. In mixed form: 159/80

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