Question

Cat face ?!!
1 - 1 supra 4 
2 - 1 supra 2

Answer 1

$1-\frac{1}{4} = \frac{4}{4} - \frac{1}{4} = \frac{3}{4}$
$2-\frac{1}{2} = \frac{4}{2} - \frac{1}{2} = \frac{3}{2} = 1\frac{1}{2}$

Answer 2

1 - 1/4 = 4/4 - 1/4 = 3/4
2 - 1/2 = 4/2 - 1/2 = 3/2 = 1 SI 1/2