21/30 - 8/30 = 13/30
Wiki User
∙ 2013-05-26 00:40:5612/15 - 10/15 = 2/15
3/2 - 7/10 = 15/10 - 7/10 = 8/10 = 4/5
10/12 minus 2/4 is 1/3
2/3
4 over 10
3/10.
4/5 - 8/15 = 12/15 - 8/15 = 4/15
1/3 -4/15 is the same as 5/15 -4/15 and the answer is 1/15
4 3/10 - 2 4/5 = 43/10 - 14/5 = 43/10 - 28/10 = 15/10 = 1 whole 1 over 2
5/6 minus 4/15 = 17/30
3/5 − 4/15 = 1/3
9/10 − 4/5 = 1/10