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Add 1/80 and 7/9

1/80 + 7/9 is 569/720.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 9 is 720
  2. For the 1st fraction, since 80 × 9 = 720,
    1/80 = 1 × 9/80 × 9 = 9/720
  3. Likewise, for the 2nd fraction, since 9 × 80 = 720,
    7/9 = 7 × 80/9 × 80 = 560/720
  4. Add the two fractions:
    9/720 + 560/720 = 9 + 560/720 = 569/720

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