Answers

Add 20/9 and 54/12

1^st number: 2 2/9, 2^nd number: 4 6/12

20/9 + 54/12 is 121/18.

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,
   54/12 = 54 × 3/12 × 3 = 162/36
4. Add the two like fractions:
   80/36 + 162/36 = 80 + 162/36 = 242/36
5. 242/36 simplified gives 121/18
6. So, 20/9 + 54/12 = 121/18
   In mixed form: 613/18

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