Answers

Add 81/25 and 42/81

1^st number: 3 6/25, 2^nd number: 42/81

81/25 + 42/81 is 2537/675.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 81 is 2025
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2025
2. For the 1st fraction, since 25 × 81 = 2025,
   81/25 = 81 × 81/25 × 81 = 6561/2025
3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
   42/81 = 42 × 25/81 × 25 = 1050/2025
4. Add the two like fractions:
   6561/2025 + 1050/2025 = 6561 + 1050/2025 = 7611/2025
5. 7611/2025 simplified gives 2537/675
6. So, 81/25 + 42/81 = 2537/675
   In mixed form: 3512/675

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