One fourth plus one fourth

Answer 1

1/4 + 1/4 = 1/2

If you took a pie and split it into four pieces, and you ate two of those pieces, you would have eaten half of the pie.

Answer 2

3+1/4 or 3+0.25= 3 1/4 or 3.25

Answer 3

2/4

Answer 4

half