Answers

Add 18/81 and 40/24

1^st number: 18/81, 2^nd number: 1 16/24

18/81 + 40/24 is 17/9.

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,
   18/81 = 18 × 8/81 × 8 = 144/648
3. Likewise, for the 2nd fraction, since 24 × 27 = 648,
   40/24 = 40 × 27/24 × 27 = 1080/648
4. Add the two like fractions:
   144/648 + 1080/648 = 144 + 1080/648 = 1224/648
5. 1224/648 simplified gives 17/9
6. So, 18/81 + 40/24 = 17/9
   In mixed form: 18/9

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