Answers

Add 20/25 and 6/81

20/25 + 6/81 is 118/135.

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,
   20/25 = 20 × 81/25 × 81 = 1620/2025
3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
   6/81 = 6 × 25/81 × 25 = 150/2025
4. Add the two like fractions:
   1620/2025 + 150/2025 = 1620 + 150/2025 = 1770/2025
5. 1770/2025 simplified gives 118/135
6. So, 20/25 + 6/81 = 118/135

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