Answer:
2/5 + 1/4 + 7/10 = 8/20 + 5/20 + 14/20 =
27/20 = 1 7/20
1 7/20
Step-by-step explanation:
Let's convert all of these fraction to have a common denominator of 20.
2/5 = 8/20
1/4 = 5/20
7/10 = 14/20
Add straight across.
8/20 + 5/20 + 14/20 = 27/20 = 1 7/20
The answer to this expression is 1 7/20.