Answers

Add 15/81 and 8/14

15/81 + 8/14 is 143/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 14 is 1134
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1134
2. For the 1st fraction, since 81 × 14 = 1134,
   15/81 = 15 × 14/81 × 14 = 210/1134
3. Likewise, for the 2nd fraction, since 14 × 81 = 1134,
   8/14 = 8 × 81/14 × 81 = 648/1134
4. Add the two like fractions:
   210/1134 + 648/1134 = 210 + 648/1134 = 858/1134
5. 858/1134 simplified gives 143/189
6. So, 15/81 + 8/14 = 143/189

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