Answers

Add 35/16 and 63/81

1^st number: 2 3/16, 2^nd number: 63/81

35/16 + 63/81 is 427/144.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 81 is 1296
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1296
2. For the 1st fraction, since 16 × 81 = 1296,
   35/16 = 35 × 81/16 × 81 = 2835/1296
3. Likewise, for the 2nd fraction, since 81 × 16 = 1296,
   63/81 = 63 × 16/81 × 16 = 1008/1296
4. Add the two like fractions:
   2835/1296 + 1008/1296 = 2835 + 1008/1296 = 3843/1296
5. 3843/1296 simplified gives 427/144
6. So, 35/16 + 63/81 = 427/144
   In mixed form: 2139/144

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