Answers

Add 7/30 and 81/12

1^st number: 7/30, 2^nd number: 6 9/12

7/30 + 81/12 is 419/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 30 × 2 = 60,
   7/30 = 7 × 2/30 × 2 = 14/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   81/12 = 81 × 5/12 × 5 = 405/60
4. Add the two like fractions:
   14/60 + 405/60 = 14 + 405/60 = 419/60
5. So, 7/30 + 81/12 = 419/60
   In mixed form: 659/60

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