One and a half minus one and a half is zero.
One half minus one quarter is one quarter.
One half minus one fifth is 3 tenths
Four minus one and a half is two and a half: 4 - 1.5 = 2.5
Minus one tenth.
It is: -2.5 minus 0.75 = -3.25
minus one half
Six thirds is two. Two minus one half is one and a half. 2 - 0.5 - 1.5
1/2 or one half
1 minus 1/2 minus 1/3 is equal to 0.166667