Answers

Add 81/25 and 42/27

1^st number: 3 6/25, 2^nd number: 1 15/27

81/25 + 42/27 is 1079/225.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 27 is 675
   
   Next, find the equivalent fraction of both fractional numbers with denominator 675
2. For the 1st fraction, since 25 × 27 = 675,
   81/25 = 81 × 27/25 × 27 = 2187/675
3. Likewise, for the 2nd fraction, since 27 × 25 = 675,
   42/27 = 42 × 25/27 × 25 = 1050/675
4. Add the two like fractions:
   2187/675 + 1050/675 = 2187 + 1050/675 = 3237/675
5. 3237/675 simplified gives 1079/225
6. So, 81/25 + 42/27 = 1079/225
   In mixed form: 4179/225

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