Question

George drew a diagram at the right to represent the number two and two fiths look said Helena this is the same thing as twelve fiths ​

Answer 1

That's true: you have

$2\dfrac{2}{5}=2+\dfrac{2}{5}=\dfrac{10}{5}+\dfrac{2}{5}=\dfrac{10+2}{5}=\dfrac{12}{5}$