2.64 minus 1 tenth = 2.64 - 0.1 = 2.54
0.4
1 tenth
3/4 minus 1/10 is 13/20
It is 21/10 minus 1/10 = 20/10 or 2
1 tenth
1 and 18/30
1 and 4/10
1 - 1/10 = 9/10 or 0.9.
-11/10 or -1 and 1/10
It is: 3/4-1/10 = 13/20
1 tenth of 20 is 2...you can remember that by thinking that a double digit number divided by 1 tenth is the double digit minus a zero.