Answers

Add 81/18 and 35/24

1^st number: 4 9/18, 2^nd number: 1 11/24

81/18 + 35/24 is 143/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 24 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 18 × 4 = 72,
   81/18 = 81 × 4/18 × 4 = 324/72
3. Likewise, for the 2nd fraction, since 24 × 3 = 72,
   35/24 = 35 × 3/24 × 3 = 105/72
4. Add the two like fractions:
   324/72 + 105/72 = 324 + 105/72 = 429/72
5. 429/72 simplified gives 143/24
6. So, 81/18 + 35/24 = 143/24
   In mixed form: 523/24

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