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Add 1/8 and 1/9

1/8 + 1/9 is 17/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 9 is 72
  2. For the 1st fraction, since 8 × 9 = 72,
    1/8 = 1 × 9/8 × 9 = 9/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    1/9 = 1 × 8/9 × 8 = 8/72
  4. Add the two fractions:
    9/72 + 8/72 = 9 + 8/72 = 17/72

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