It is: 3/7
Wiki User
∙ 2012-01-27 13:35:403/7
7/9
equivalent fractions of 3/21 = 6/42, 9/63, 12/84,...
9/21 = 3/7
6/14 9/21
14/18, 21/27, etc.
14/18 and 21/27
the answer is 3 over 5 or 18 over 30 or 21 over 35
12/28
7/21 or 9/27 are both equivalent fractions to 1/3.... there are many others !
equivalent fraction for 20 over 45 = 4/9
23/9 = 21/3 = 7/3