-5 minus 4 is -9.
Minus a negative means you add: 10.3 - -5 = 10.3 + 5 = 15.3
8/9 minus 5/9 is 1/3
23
(-4)-(-5)+(-8) =-4+5-8 = -7
Negative 9 minus 5 can be solved by first recognizing that subtracting a positive number is equivalent to adding its negative. Therefore, negative 9 minus 5 is the same as negative 9 plus negative 5. When adding two negative numbers, you add their absolute values and keep the negative sign. Thus, negative 9 plus negative 5 equals negative 14.
-5 + 9 = 4
5/9 minus 5/12 is 5/36.
31/20 minus 5/9 is 179/180
7/9 minus 2/9 is 5/9
-9 minus -4 is -5
14