Subtraction: Like Signs
[-9] - [-8] =
-1
(-15) - (+2) =
-17
[-4] - [-10] =
+6
[ +10 ] - [-10] =
+ 20
[-42.2] - [-20.3] =
-21.9
[+24] - [-36] =
+60
(-15) - (-34) =
+19
[+74.3] - [-52.9] =
+127.2
[+11.7] - [+43.6] =
-31.9
[ -89.52] - [+37.8] =
-127.32