Answers

Add 7/30 and 81/4

1^st number: 7/30, 2^nd number: 20 1/4

7/30 + 81/4 is 1229/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 4 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 4 × 15 = 60,
   81/4 = 81 × 15/4 × 15 = 1215/60
4. Add the two like fractions:
   14/60 + 1215/60 = 14 + 1215/60 = 1229/60
5. So, 7/30 + 81/4 = 1229/60
   In mixed form: 2029/60

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