Respuesta :

Answer:

Step-by-step explanation:

1 3/7+3 4/9 +1/2

=10/7+31/9 +1/2

L.C.M. of 7,9,2=126

[tex]=\frac{180+434+63}{126} \\=\frac{677}{126} \\=5\frac{47}{126}[/tex]