Answers

Add 20/9 and 27/12

1^st number: 2 2/9, 2^nd number: 2 3/12

20/9 + 27/12 is 161/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 12 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 9 × 4 = 36,
   20/9 = 20 × 4/9 × 4 = 80/36
3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
   27/12 = 27 × 3/12 × 3 = 81/36
4. Add the two like fractions:
   80/36 + 81/36 = 80 + 81/36 = 161/36
5. So, 20/9 + 27/12 = 161/36
   In mixed form: 417/36

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