Answers

Add 81/10 and 15/4

1^st number: 8 1/10, 2^nd number: 3 3/4

81/10 + 15/4 is 237/20.

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,
   81/10 = 81 × 2/10 × 2 = 162/20
3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
   15/4 = 15 × 5/4 × 5 = 75/20
4. Add the two like fractions:
   162/20 + 75/20 = 162 + 75/20 = 237/20
5. So, 81/10 + 15/4 = 237/20
   In mixed form: 1117/20

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