Answer:
The answer is 1/4 or 0.75
Explanation:
First we turn each fraction with a equal denominator for all of them.
2/5 = 8/20
1/4 = 5/20
1/10 = 2/20
Next we add them all up together.
8/20 + 5/20 + 2/20 =
13/20 + 2/20 = 15/20
15/20 = 1/4
So, the answer is 1/4.
Hope this helps! :)