It is: 6/21 = 2/7 in its simplest form
equivalent fractions of 3/21 = 6/42, 9/63, 12/84,...
6/14 9/21
the equivalent fraction of 6 over 5 is 12/10
equivalent fraction to 6 over 8 = 12/16
12/14, 24/28, 18/21
2/7
6/22 can be an equivalent fraction. For instance, 6/22 is equivalent to 3/11
60/480 is one equivalent fraction.
2/3 is equivalent to 4/6 as a fraction
1) 4 over 42 OR 4/422)6 over 63 OR 6/63ADVICE: just multiply (x,*) by 2 and it will still be an equivalent fraction!!!! :)
6/18 = 1/3