Verified Answer :

I believe your answer would be 3/4.

sspeaerson99

2/5+1/4+1/10=?
find the lowest commune denominator
20 
5×4=20  4×5=20   10×2=20
2×4=8    1×5=5     1×2=2
8+5+2=15
15/20
redoes to lowest terms
3/4 

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