1/4
28/16 = 7/4
3/7
20/28=10/14=5/7
Yes, 20/28 simplifies to 5/7.
"Percentage" means "per hundred," so 28 per hundred would be 28/100, which you can reduce to 7/25.
7/25 is .28 written as a fraction.
51/28 can't be reduced.
28 / 197 .... it does not reduce
28/7 = 4
The reduced fraction of 28/32 is 7/8
28% = 28/100 = 7/25
2/7