Nine tenths minus four tenths is five tenths, which is also a half.
4 and two fifths
Nine tenths minus eight fifteenths equals eleven thirtieths.
Nine and five twelves minus 8 and seven tenths = 9 + 5*12 - (8 + 7/10) = 60 3/10.
4 tenths
Three fourths minus five tenths is one fourth.
That is 0.566
-2/10
9/10 minus 9/15 is 3/10
Nine tenths plus two fifths minus one fourth is equal to 1.05
1 and 1half.
6/10 or 3/5