Answers

Add 49/81 and 8/9

49/81 + 8/9 is 121/81.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 9 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 81 × 1 = 81,
   49/81 = 49 × 1/81 × 1 = 49/81
3. Likewise, for the 2nd fraction, since 9 × 9 = 81,
   8/9 = 8 × 9/9 × 9 = 72/81
4. Add the two like fractions:
   49/81 + 72/81 = 49 + 72/81 = 121/81
5. So, 49/81 + 8/9 = 121/81
   In mixed form: 140/81

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