Answers

Add 25/12 and 42/81

1^st number: 2 1/12, 2^nd number: 42/81

25/12 + 42/81 is 281/108.

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,
   25/12 = 25 × 27/12 × 27 = 675/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   42/81 = 42 × 4/81 × 4 = 168/324
4. Add the two like fractions:
   675/324 + 168/324 = 675 + 168/324 = 843/324
5. 843/324 simplified gives 281/108
6. So, 25/12 + 42/81 = 281/108
   In mixed form: 265/108

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