2 and 7 tenths
negitave 2 10ths
7/10 - 2/5 = 3/10 or three tenths
2 and 7/10
9/10 minus 2/3 is 7/30.
3 tenths of course !
7/10 - 1/5 = 7/10 - 2/10 = 5/10 = 1/2
7/10 minus 5/10 is 1/5.
3 and 7 tenths(3.7)
One fifth is two tenths. 8 tenths minus 2 tenths is 6 tenths or 3 fifths.
-6/10 minus -7/10 is 1/10
-2/10