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Add 81/8 and 18/9

1st number: 10 1/8, 2nd number: 2 0/9

81/8 + 18/9 is 97/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 9 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    81/8 = 81 × 9/8 × 9 = 729/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    18/9 = 18 × 8/9 × 8 = 144/72
  4. Add the two like fractions:
    729/72 + 144/72 = 729 + 144/72 = 873/72
  5. 873/72 simplified gives 97/8
  6. So, 81/8 + 18/9 = 97/8
    In mixed form: 121/8

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