Answers

Add 5/24 and 63/81

5/24 + 63/81 is 71/72.

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,
   63/81 = 63 × 8/81 × 8 = 504/648
4. Add the two like fractions:
   135/648 + 504/648 = 135 + 504/648 = 639/648
5. 639/648 simplified gives 71/72
6. So, 5/24 + 63/81 = 71/72

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