Question

1/2 + 9/10 + 4/5
A. 2 1/5
B. 2 2/10
C. 14/17
D. 22/10

Answer 1

Here is the answer so yo you don't get confused

Answer 2

I didn't state this earlier, but you should find the common denominator so in this case it is 10.
1/2=5/10, 9/10 stays the same, and 4/5=8/10.
Now you add them up.
5/10 + 9/10 + 8/10 = 22/10
22/10 = 2 2/10
2 2/10 = 2 1/5
Answer: A. 2 1/5