It is 1/7 in its simplest form
4/28 = 1/7
If you were to write 7/28 in its simplest form then it would just be 1/4.
4
28/77 in simplest form =4/11GCF of 28 & 77 = 7Divide 28 & 77 by their GCF:28 ÷ 7 = 477 ÷ 7 = 11thus, 28/77 = 4/11 in simplest form
1/4
28/63 = 4/9.
28/567 = 4/81
4/5
It is 4 over 11.
23/4
4/7