Answer :

Bring the two fractions to the same denominator, 10.

2/5 = 4/10
3/10 = 3/10

Add the numerators keeping the denominator the same.

4/10 + 3/10 = 7/10 
[tex] \frac{2}{5} + \frac{3}{10} = \frac{2*2}{5*2} + \frac{3}{10} = [/tex]

[tex] \frac{4 + 3}{10} = \frac{7}{10} [/tex]

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