Answers

Add 36/10 and 84/81

1^st number: 3 6/10, 2^nd number: 1 3/81

36/10 + 84/81 is 626/135.

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,
   36/10 = 36 × 81/10 × 81 = 2916/810
3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
   84/81 = 84 × 10/81 × 10 = 840/810
4. Add the two like fractions:
   2916/810 + 840/810 = 2916 + 840/810 = 3756/810
5. 3756/810 simplified gives 626/135
6. So, 36/10 + 84/81 = 626/135
   In mixed form: 486/135

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