Answers

Add 27/42 and 7/81

27/42 + 7/81 is 827/1134.

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,
   27/42 = 27 × 27/42 × 27 = 729/1134
3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
   7/81 = 7 × 14/81 × 14 = 98/1134
4. Add the two like fractions:
   729/1134 + 98/1134 = 729 + 98/1134 = 827/1134
5. So, 27/42 + 7/81 = 827/1134

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