Answer:
0.7 or 7/10
Explanation:
When adding fractions they always need to have the same denominators,and the one they both have similar to is being equal to 10.
1/2 will get multiply with 5 on the numinator and the denominator having you get a fraction of 5/10.
You will do the same with 1/5 multiply it with 2 on the numinator and denominator having you get 5/10.
Since the dneominators are the same you keep it 10,and just add 5 and 2. Giving you a answer of 7/10