Answers

Add 45/81 and 6/9

45/81 + 6/9 is 11/9.

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,
   45/81 = 45 × 1/81 × 1 = 45/81
3. Likewise, for the 2nd fraction, since 9 × 9 = 81,
   6/9 = 6 × 9/9 × 9 = 54/81
4. Add the two like fractions:
   45/81 + 54/81 = 45 + 54/81 = 99/81
5. 99/81 simplified gives 11/9
6. So, 45/81 + 6/9 = 11/9
   In mixed form: 12/9

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