Answers

Add 30/9 and 80/12

1^st number: 3 3/9, 2^nd number: 6 8/12

30/9 + 80/12 is 10/1.

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,
   30/9 = 30 × 4/9 × 4 = 120/36
3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
   80/12 = 80 × 3/12 × 3 = 240/36
4. Add the two like fractions:
   120/36 + 240/36 = 120 + 240/36 = 360/36
5. 360/36 simplified gives 10/1
6. So, 30/9 + 80/12 = 10/1

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