Answers

Add 6/9 and 54/81

6/9 + 54/81 is 4/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 81 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 9 × 9 = 81,
   6/9 = 6 × 9/9 × 9 = 54/81
3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
   54/81 = 54 × 1/81 × 1 = 54/81
4. Add the two like fractions:
   54/81 + 54/81 = 54 + 54/81 = 108/81
5. 108/81 simplified gives 4/3
6. So, 6/9 + 54/81 = 4/3
   In mixed form: 11/3

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