4/7
7/4
-3
a/7 + a/4 = 4a/28 + 7a/28 = 11a/28
4/7
yes it would be 1 over 4
2/5(9-7)/(1+4)Simplify 9-7 to 2.2/(1+4)Simplify 1+4 to 5.2/5
It will remain the same as 4/7 which can't be simplified any further
2 0ver 7 or 0.2857
14/8=7/4= 1.75
20/35 simplifies to 4/7
Take 4 out of both. Get 6/7