Respuesta :

Add: 2/9 + 3/5 = 2 · 5/9 · 5 + 3 · 9/5 ·9  = 10/45 + 27/45 = 10 + 27/45 = 37/45
[tex] \frac{2}{9} + \frac{3}{5} = [/tex]


least common multiple (9,5) = 45

[tex]\frac{45\div9*2 + 45\div5*3}{45} = [/tex]

[tex]\frac{10+27}{45} = [/tex]

[tex]\boxed{\frac{37}{45} }[/tex]