Hi there!
What we have to do here is convert 2/5 so it has the same denominator as 1/10. To get the denominator to 10, we multiply 5 by 2, so we have to do the same to the numerator. So, 2/5 = 4/10.
Then, we add 4/10 + 1/10, which gives us 5/10.
This simplifies to 1/2.
I hope I helped!
