Answers

Add 5/24 and 40/81

5/24 + 40/81 is 455/648.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 81 is 648
   
   Next, find the equivalent fraction of both fractional numbers with denominator 648
2. For the 1st fraction, since 24 × 27 = 648,
   5/24 = 5 × 27/24 × 27 = 135/648
3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
   40/81 = 40 × 8/81 × 8 = 320/648
4. Add the two like fractions:
   135/648 + 320/648 = 135 + 320/648 = 455/648
5. So, 5/24 + 40/81 = 455/648

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