Answer:
9/10
Explanation:
1/2 is equal to 5/10 and 2/5 is equal to 4/10. Now you add 5/10 and 4/10 and get 9/10.
1/2 + 2/5
The common denominator is 10
1/2 *5/5 = 5/10
2/5 *2/2 = 4/10
5/10 + 4/10
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