Question

solve the question ​

Answer 1

3/10 = 9/30

7/15 = 14/30

I did it to have common denominator

now adding them we get 23/30

Answer 2

Step-by-step explanation:

1. first take lcm of 10 and 15
2. the lcm of 10 and 15 is 15
3. $\frac{3 \times 15 + 7 \times 10}{15}$
4. $\frac{115}{15}$
5. answer is 7.666