Question

1/2+5/2.2/5 calculo pf priciso muito obg

Answer 1

$\frac{1}{2}+\frac{5}{2}.\frac{2}{5}=\frac{1}{2}.\frac{10}{10}=\frac{1}{2}+1=\frac{3}{2}$

Answer 2

1/2+5/2.2/5
1 + 5 . 2 =
2    2   5

1 + 10 =
2    10
1 + 1 =
2
mmc (1, 2) = 2
1 + 2 = 3  ou   1 1
  2        2           2