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Add 8/9 and 9/42

8/9 + 9/42 is 139/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 42 is 126
  2. For the 1st fraction, since 9 × 14 = 126,
    8/9 = 8 × 14/9 × 14 = 112/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    9/42 = 9 × 3/42 × 3 = 27/126
  4. Add the two fractions:
    112/126 + 27/126 = 112 + 27/126 = 139/126
  5. In mixed form: 113/126

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