Answers

Add 36/81 and 30/10

1^st number: 36/81, 2^nd number: 3 0/10

36/81 + 30/10 is 31/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 10 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 81 × 10 = 810,
   36/81 = 36 × 10/81 × 10 = 360/810
3. Likewise, for the 2nd fraction, since 10 × 81 = 810,
   30/10 = 30 × 81/10 × 81 = 2430/810
4. Add the two like fractions:
   360/810 + 2430/810 = 360 + 2430/810 = 2790/810
5. 2790/810 simplified gives 31/9
6. So, 36/81 + 30/10 = 31/9
   In mixed form: 34/9

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