Question

3 meios x 15 vinte avos

 

Obrigadooo!!!

Answer 1

$\boxed{\frac{3}{2}+\frac{15}{20}=\frac{3}{2}+\frac{3}{4}=\frac{6+3}{4}=\frac{9}{4}}$

Answer 2

3/2 x 15/20 = 45/40 ÷ 5 = 9/8