Answers

Add 81/36 and 20/9

1^st number: 2 9/36, 2^nd number: 2 2/9

81/36 + 20/9 is 161/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 9 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 36 × 1 = 36,
   81/36 = 81 × 1/36 × 1 = 81/36
3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
   20/9 = 20 × 4/9 × 4 = 80/36
4. Add the two like fractions:
   81/36 + 80/36 = 81 + 80/36 = 161/36
5. So, 81/36 + 20/9 = 161/36
   In mixed form: 417/36

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