It is 8/13 simplified
No. 151 is a prime number and as it does not evenly divide into 320 we know this can not be simplified.
21/320 is in its simplest form.
320/224 = 10/7
No, it can be simplified further.
1/40
209/320 cannot be simplified further.
It is: 104/180 = 26/45
180/360 = 1/2
65%.
3/8
It is: 9/5