-1/4-(-3/4)
Hallo anonymous!
-1/4 - (-3/4) = (1/4) * (- 1 - (- 3) ) = (1/4) * (- 1 + 3) = (1/4) * 2 = 2/4 = 1/2
-1/4-(-3/4) = 1/2
:- )