Answers

Add 7/4 and 15/10

1^st number: 1 3/4, 2^nd number: 1 5/10

7/4 + 15/10 is 13/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 10 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 4 × 5 = 20,
   7/4 = 7 × 5/4 × 5 = 35/20
3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
   15/10 = 15 × 2/10 × 2 = 30/20
4. Add the two like fractions:
   35/20 + 30/20 = 35 + 30/20 = 65/20
5. 65/20 simplified gives 13/4
6. So, 7/4 + 15/10 = 13/4
   In mixed form: 31/4

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