Four twelfths is one third, or about 0.333.
No, four twelfths is equal to one third, so two thirds is more.
Four and five twelfths is 53 twelfths, five and eleven twelfths is 71 twelfths so answer is "minus eighteen twelfths", ie -1½ or -1.5
4/12 is equal to 0.3 with a dot over the three cause this is a recurring decimal.
Three twelfths is equal to one fourth, which is equal to two eights.