Answers

Add 18/42 and 14/81

18/42 + 14/81 is 341/567.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 81 is 1134
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1134
2. For the 1st fraction, since 42 × 27 = 1134,
   18/42 = 18 × 27/42 × 27 = 486/1134
3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
   14/81 = 14 × 14/81 × 14 = 196/1134
4. Add the two like fractions:
   486/1134 + 196/1134 = 486 + 196/1134 = 682/1134
5. 682/1134 simplified gives 341/567
6. So, 18/42 + 14/81 = 341/567

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