15/21 - 14/21 = 1/21
negative ten sevenths
4/3 minus 5/7 = 13/21
Four sevenths of 21 is 12.
5/7 + 1/3 = 15/21 + 7/21 = 22/21 = 1 1/21
9/14 & 10/21
15/21 - 14/21 = 1/21
21
5/7 of 35 is 25.
10/14 and 15/21
negative ten sevenths
8.523809524 or 179/21 or 8 and 11/21
one and five sevenths
4/3 minus 5/7 = 13/21
Four sevenths of 21 is 12.
38 over 21 or thirty-eight twenty-firsts
5/7 + 1/3 = 15/21 + 7/21 = 22/21 = 1 1/21