Answer:
5/10 (0.5)
Turn the numbers into decimals.
1/5 = 0.20
3/10 = 0.30
Since all these numbers are in a fact family, add them.
0.20 + 0.30 = 0.5
You can make it into fraction form if you want.
0.5 = 5/10.
The answer is 5/10 or 0.5.
Hope this helps!