13/15 - 5/15 = 8/15
26/30
2/3 minus 12/15 is -2/15
8/15 minus 7/20 is 11/60
2/5 minus 1/15 is 1/3
Eleven fifteenths minus ten fifteenths is equal to one fifteenth.
The answer is 0.
2/3
11/15 - 3/15 = 8/15
Converting to twentieths, we get 8 over 20 minus 15 over 20, resulting in minus 7 over 20.
8/15 − 2/5 = 2/15
12/15 - 10/15 = 2/15
10/15 - 3/15 = 7/15