Answers

Add 72/81 and 2/25

72/81 + 2/25 is 218/225.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 25 is 2025
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2025
2. For the 1st fraction, since 81 × 25 = 2025,
   72/81 = 72 × 25/81 × 25 = 1800/2025
3. Likewise, for the 2nd fraction, since 25 × 81 = 2025,
   2/25 = 2 × 81/25 × 81 = 162/2025
4. Add the two like fractions:
   1800/2025 + 162/2025 = 1800 + 162/2025 = 1962/2025
5. 1962/2025 simplified gives 218/225
6. So, 72/81 + 2/25 = 218/225

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