Respuesta :

Hello, Upschic23!
Sum means addition(+)
2/5+2/4
2/5+1/2 
4/10+5/10 
9/10 or .9
I hope this helps;)
The answer is
2/5 = 8/20 
2/4 = 10/20

18/20 NOT SIMPLIFIED  or 9/10 SIMPLIFIED 

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