Answers

Add 40/25 and 42/81

1^st number: 1 15/25, 2^nd number: 42/81

40/25 + 42/81 is 286/135.

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,
   40/25 = 40 × 81/25 × 81 = 3240/2025
3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
   42/81 = 42 × 25/81 × 25 = 1050/2025
4. Add the two like fractions:
   3240/2025 + 1050/2025 = 3240 + 1050/2025 = 4290/2025
5. 4290/2025 simplified gives 286/135
6. So, 40/25 + 42/81 = 286/135
   In mixed form: 216/135

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