Answers

Add 5/75 and 6/81

5/75 + 6/81 is 19/135.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 81 is 2025
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2025
2. For the 1st fraction, since 75 × 27 = 2025,
   5/75 = 5 × 27/75 × 27 = 135/2025
3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
   6/81 = 6 × 25/81 × 25 = 150/2025
4. Add the two like fractions:
   135/2025 + 150/2025 = 135 + 150/2025 = 285/2025
5. 285/2025 simplified gives 19/135
6. So, 5/75 + 6/81 = 19/135

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