Answers

Add 98/81 and 20/16

1^st number: 1 17/81, 2^nd number: 1 4/16

98/81 + 20/16 is 797/324.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 16 is 1296
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1296
2. For the 1st fraction, since 81 × 16 = 1296,
   98/81 = 98 × 16/81 × 16 = 1568/1296
3. Likewise, for the 2nd fraction, since 16 × 81 = 1296,
   20/16 = 20 × 81/16 × 81 = 1620/1296
4. Add the two like fractions:
   1568/1296 + 1620/1296 = 1568 + 1620/1296 = 3188/1296
5. 3188/1296 simplified gives 797/324
6. So, 98/81 + 20/16 = 797/324
   In mixed form: 2149/324

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