Answers

Add 98/10 and 2/81

1^st number: 9 8/10, 2^nd number: 2/81

98/10 + 2/81 is 3979/405.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 81 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 10 × 81 = 810,
   98/10 = 98 × 81/10 × 81 = 7938/810
3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
   2/81 = 2 × 10/81 × 10 = 20/810
4. Add the two like fractions:
   7938/810 + 20/810 = 7938 + 20/810 = 7958/810
5. 7958/810 simplified gives 3979/405
6. So, 98/10 + 2/81 = 3979/405
   In mixed form: 9334/405

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