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Add 81/90 and 6/9

81/90 + 6/9 is 47/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 9 is 90
  2. For the 1st fraction, since 90 × 1 = 90,
    81/90 = 81 × 1/90 × 1 = 81/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    6/9 = 6 × 10/9 × 10 = 60/90
  4. Add the two fractions:
    81/90 + 60/90 = 81 + 60/90 = 141/90
  5. After reducing the fraction, the answer is 47/30
  6. In mixed form: 117/30

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