Question

cat face 0,4 plus 1 supra 4

Answer 1

$\it 0.4 + \dfrac{1}{4} = 0.4 + 0.25 = \boxed {0.65}$

Answer 2

$\frac{4}{10} + \frac{1}{4} = \frac{4 \times 4 + 10 \times 1}{40} = \\ \frac{16 + 10}{40} = \frac{26}{40} = 0.65$