Answers

Add 14/12 and 40/81

1^st number: 1 2/12, 2^nd number: 40/81

14/12 + 40/81 is 269/162.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 12 × 27 = 324,
   14/12 = 14 × 27/12 × 27 = 378/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   40/81 = 40 × 4/81 × 4 = 160/324
4. Add the two like fractions:
   378/324 + 160/324 = 378 + 160/324 = 538/324
5. 538/324 simplified gives 269/162
6. So, 14/12 + 40/81 = 269/162
   In mixed form: 1107/162

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