Answers

Add 35/81 and 36/20

1^st number: 35/81, 2^nd number: 1 16/20

35/81 + 36/20 is 904/405.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 20 is 1620
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1620
2. For the 1st fraction, since 81 × 20 = 1620,
   35/81 = 35 × 20/81 × 20 = 700/1620
3. Likewise, for the 2nd fraction, since 20 × 81 = 1620,
   36/20 = 36 × 81/20 × 81 = 2916/1620
4. Add the two like fractions:
   700/1620 + 2916/1620 = 700 + 2916/1620 = 3616/1620
5. 3616/1620 simplified gives 904/405
6. So, 35/81 + 36/20 = 904/405
   In mixed form: 294/405

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