Answers

Add 7/81 and 9/24

7/81 + 9/24 is 299/648.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 24 is 648
   
   Next, find the equivalent fraction of both fractional numbers with denominator 648
2. For the 1st fraction, since 81 × 8 = 648,
   7/81 = 7 × 8/81 × 8 = 56/648
3. Likewise, for the 2nd fraction, since 24 × 27 = 648,
   9/24 = 9 × 27/24 × 27 = 243/648
4. Add the two like fractions:
   56/648 + 243/648 = 56 + 243/648 = 299/648
5. So, 7/81 + 9/24 = 299/648

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