Answers

Add 90/24 and 35/81

1^st number: 3 18/24, 2^nd number: 35/81

90/24 + 35/81 is 1355/324.

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,
   90/24 = 90 × 27/24 × 27 = 2430/648
3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
   35/81 = 35 × 8/81 × 8 = 280/648
4. Add the two like fractions:
   2430/648 + 280/648 = 2430 + 280/648 = 2710/648
5. 2710/648 simplified gives 1355/324
6. So, 90/24 + 35/81 = 1355/324
   In mixed form: 459/324

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