Question

find the value of 3*1/2 of 800​

Answer 1

$3 \times \frac{1}{2} \times 800 \\ = 3 \times 1 \times 400 \\ = 1200 \: answer$

Answer 2

$\frac{3 \times 1}{ \cancel2} \times \cancel{ 800} = 3 \times 400 = 1200$