Respuesta :

Cortes33

4/9 × 81/1 ( the fraction still equals 81)

Now cross cancel;

4/1 × 9/1 

multiply numerators;

4 × 9 = 36

multiply denominators;

1 ×1 = 1

so 4/9 × 81 =  36/1 or in simplest form = 36

TSO
[tex] \frac{4}{9} \times 81 = \frac{4}{9} \times 9\times 9 = \frac{4\times9\times9}{9} = \frac{4\times9}{1} = 4\times 9 =\boxed{\bf{36}}[/tex]