Answers

Add 27/10 and 15/4

1^st number: 2 7/10, 2^nd number: 3 3/4

27/10 + 15/4 is 129/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 4 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 10 × 2 = 20,
   27/10 = 27 × 2/10 × 2 = 54/20
3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
   15/4 = 15 × 5/4 × 5 = 75/20
4. Add the two like fractions:
   54/20 + 75/20 = 54 + 75/20 = 129/20
5. So, 27/10 + 15/4 = 129/20
   In mixed form: 69/20

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