3/5
3/5 − 3/15 = 2/5
3 minus 3/18 is 2 5/6
2/3 − 1/5 = 7/15
2/5 = 4/10 minus 1/10 is 3/10
1 − 5/2 = -11/2
2/3 is.
-1/9
1 and 3/8
The answer to your question is seven twentieths.
2/5 - 3/10 = (2×2)/(5×2) - 3/10 = 4/10 - 3/10 = (4-3)/10 = 1/10.
10 minus 3 and 2/5 = 7 minus 2/5 = 63/5