Answers

Add 30/12 and 81/80

1^st number: 2 6/12, 2^nd number: 1 1/80

30/12 + 81/80 is 281/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 12 × 20 = 240,
   30/12 = 30 × 20/12 × 20 = 600/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   81/80 = 81 × 3/80 × 3 = 243/240
4. Add the two like fractions:
   600/240 + 243/240 = 600 + 243/240 = 843/240
5. 843/240 simplified gives 281/80
6. So, 30/12 + 81/80 = 281/80
   In mixed form: 341/80

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