Answers

Add 3/30 and 35/81

3/30 + 35/81 is 431/810.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 81 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 30 × 27 = 810,
   3/30 = 3 × 27/30 × 27 = 81/810
3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
   35/81 = 35 × 10/81 × 10 = 350/810
4. Add the two like fractions:
   81/810 + 350/810 = 81 + 350/810 = 431/810
5. So, 3/30 + 35/81 = 431/810

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