3 and 2/3
Three twelves is 36. Four twelves is 48. 36 - 48 = -12. Three twelfths - fourth twelfths equals minus one twelfth.
Seven-twelfths
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
One fourth is three twelfths. So one twelfth plus three twelfths is four twelfths, which is also one third.
1 and 1 twelth
twelve and four twelfths
77/12 - 411/15 = 735/60 - 444/60 = 695/60 - 444/60 = 251/60
Yes.
three minus seven is four
4/5 is greater.
Seven ninths minus four ninths is 1/3.
4/12 - 2/9 = 1/9 or one ninth.