Answers

Add 98/30 and 45/81

1^st number: 3 8/30, 2^nd number: 45/81

98/30 + 45/81 is 172/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 81 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 30 × 27 = 810,
   98/30 = 98 × 27/30 × 27 = 2646/810
3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
   45/81 = 45 × 10/81 × 10 = 450/810
4. Add the two like fractions:
   2646/810 + 450/810 = 2646 + 450/810 = 3096/810
5. 3096/810 simplified gives 172/45
6. So, 98/30 + 45/81 = 172/45
   In mixed form: 337/45

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