One half minus one quarter is one quarter.
One quarter and a half
0.25 - 0.5 = -0.25
One half minus one quarter is equal to one quarter.
3/4 - 1/2 = 1/4 or one quarter.
One and a half minus one and a half is zero.
One half minus one fifth is 3 tenths
One eighth is a half of one quarter - if that is what the question was.
Four minus one and a half is two and a half: 4 - 1.5 = 2.5
It is: -2.5 minus 0.75 = -3.25
Half of one and a quarter is five eighths (5/8).